{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2016 Subaru WRX
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2016 Subaru WRX

2016 Subaru WRX Catalytic Converters

Refine by:

Shop Catalog

Showing 1 - 15 of 38 results
Display item:
15
30
45
Sort by:
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
Part Number: M6651206
Guaranteed to Fit
$194.00
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Manual Transaxle
  • 2016 Subaru WRX Base 4 Cyl 2.0L Manual Transaxle
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Manual Transaxle
Product Details
Location : RearEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 13.75 in. L x 5 in. W x 4.75 in. HRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Magnaflow Catalytic Converter SaleSeries : OEM Grade SeriesTube Material : Stainless Steel
Front OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
Front OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6621822
Guaranteed to Fit
$839.00
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Automatic CVT Transaxle
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : (1) Converter Quantity; 2.5 in. Main Piping Diameter; Bolt-On Inlet Attachment; Bolt-On Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; Includes Gasket(s); 13 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warranty on Construction; 25,000-mile Magnaflow limited warranty on EmissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6621232
Guaranteed to Fit
$453.00
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Manual Transaxle
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Manual Transaxle
  • 2016 Subaru WRX Base 4 Cyl 2.0L Manual Transaxle
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : (1) Converter Quantity; 2.5 in. Main Piping Diameter; 9 in. Body Length x 4 in. Body Width x 4 in. Body Height; 2.5 in. ID x 2.5 in. OD; Round Body Shape; Spun Body Type; Bolt-On Inlet and Outlet Attachment; Stainless Steel Material; Includes Clamp; 57.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warranty on Construction; 25,000-mile Magnaflow limited warranty on EmissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
HM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
HM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6699206HM
Guaranteed to Fit
$178.00
Vehicle Fitment
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Manual Transmission
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Manual Transmission
  • 2016 Subaru WRX Base 4 Cyl 2.0L Manual Transmission
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 2.25 in. Inlet/2.5 in. OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : HM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M665421205
Guaranteed to Fit
$337.00
Vehicle Fitment
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Automatic CVT Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
  • 2016 Subaru WRX Base 4 Cyl 2.0L Manual Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
Product Details
Location : RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 9.13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-147Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Rear OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
Rear OEM Grade Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6652621
Guaranteed to Fit
$534.00
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Automatic CVT Transaxle
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle
Product Details
Location : RearEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : (1) Converter Quantity; 2.5 in. Main Piping Diameter; Bolt-On Inlet Attachment; Bolt-On Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; 57.13 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warranty on Construction; 25,000-mile Magnaflow limited warranty on EmissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Magnaflow®
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M665411305
Guaranteed to Fit
$718.00
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Manual Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
  • 2016 Subaru WRX Base 4 Cyl 2.0L Manual Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle, EO# D-193-147; Eng Fam No: Gfjxj02.0Fpt
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 11.13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-147Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Rear Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Catco®
Rear Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: CAT4992
Guaranteed to Fit
$396.99
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Automatic CVT Transaxle, Federal and California Emissions
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle, Federal and California Emissions
Product Details
Location : RearEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Product Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile Catco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Rear Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
AP Exhaust®
Rear Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: APE643170
Guaranteed to Fit
$409.99
Vehicle Fitment
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Automatic CVT Transaxle
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Automatic CVT Transaxle
Product Details
Location : RearEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Restricted States : California|Colorado|New York|MaineProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Rear Direct Fit Catalytic Converter
Eastern®
Rear Direct Fit Catalytic Converter
Part Number: EAST41379
Guaranteed to Fit
$397.49
Vehicle Fitment
  • 2016 Subaru WRX Base 4 Cyl 2.0L
  • 2016 Subaru WRX Premium 4 Cyl 2.0L
  • 2016 Subaru WRX Limited 4 Cyl 2.0L
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile Eastern limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

CalCat Series Direct Fit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Walker®
CalCat Series Direct Fit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: WK84406
Guaranteed to Fit
$333.99
Vehicle Fitment
  • 2016 Subaru WRX Limited 4 Cyl 2.0L Engine Family Number (EFN) GFJXJ02.0FPT
  • 2016 Subaru WRX Premium 4 Cyl 2.0L Engine Family Number (EFN) GFJXJ02.0FPT
  • 2016 Subaru WRX Base 4 Cyl 2.0L Engine Family Number (EFN) GFJXJ02.0FPT
Product Details
Location : RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 12 in. Overall Length; 4 in. Body Height; 8 in. Body Length; 4 in. Body Width; Round Body Shape; (1) Inlet Quantity; 2.25 in. Inlet ID; Pipe Connection Inlet Type; (1) Outlet Qty; 2.25 in. Outlet ID; Pipe Connection Outlet TypeType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-182-73Oxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Walker limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : CalCat SeriesTube Material : Stainless Steel
Front Direct Fit Catalytic Converter
Davico®
Front Direct Fit Catalytic Converter
Part Number: DAV17665
Guaranteed to Fit
$300.49
Vehicle Fitment
  • 2016 Subaru WRX Base 4 Cyl 2.0L
  • 2016 Subaru WRX Premium 4 Cyl 2.0L
  • 2016 Subaru WRX Limited 4 Cyl 2.0L
Product Details
Location : FrontProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6659959
Universal Fit
$161.00
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 3 in. Inlet/OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Magnaflow®
OEM Grade Series Semi-Universal (Welding Required) Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6659956
Universal Fit
$161.00
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 2.5 in. Inlet/OutletProduct Fit : Semi-Universal (Welding Required)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
Universal Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Flowmaster®
Universal Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: F132250220
Universal Fit
$77.49
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Product Fit : UniversalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-Year Or 50,000-Mile Flowmaster Warranty On Exterior CasingsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 3 | Showing 1 - 15 of 38 results

Top Rated Products

Magnaflow No Returns Accepted - Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME), Semi-Universal (Welding Required)
$194.00( Review)
I'm extremely happy with my new catalytic magnaflow. Kept my original one and made soSee More
Diana c.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)
P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)In most cases, a vehicle with an inefficient catalytic converter will continue to run just fine. But if the converter is obstructed internally, it can cause poor engine performance and may even damage the engine in the long run.
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
Can You Drive Without a Catalytic Converter?
Can You Drive Without a Catalytic Converter?Technically, yes. Older cars ran just fine before catalytic converters became commonplace in the 1970s. So, if your question is whether your car will run without one, then it most certainly will. But the other question you should be asking is—should you risk it?  Removing or disabling the catalytic converter could
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)The PCM may disable the misfiring cylinder or cylinders in order to prevent further damage to the engine. Code P0316 is often listed in addition to one or more of the P0300 series codes that are associated with the misfiring cylinder/s.
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.
How to Tell If the Catalytic Converter is Clogged
How to Tell If the Catalytic Converter is CloggedA clogged catalytic converter will present symptoms, while a chemically failed cat con that’s not clogged typically just illuminates the check engine light or malfunction indicator lamp (MIL). Also, if the cat con that just fails chemically but doesn’t clog is not the light-off cat con (the cat con closest