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1994 GMC G3500

1994 GMC G3500 Catalytic Converters

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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: M6694009
Guaranteed to Fit
$119.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
  • 1994 GMC G3500 Rally 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L Under 8500 Lb. Gvw; Cutting And Welding Required
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/Outlet; 16 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 25,000 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.

Series : Standard Grade SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66339109
Guaranteed to Fit
$480.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Magnavan 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Vandura Special 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally STX 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Vandura 8 Cyl 7.4L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L EO# D-193-105; Cutting And Welding Required
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 16 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-105Gasket 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
Standard Grade Series 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: M6693432
Guaranteed to Fit
$201.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L To 8600 Lb. Gvw
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L To 8600 Lb. Gvw
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 : 24.75 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE 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 : Standard Grade SeriesTube Material : Stainless Steel
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: M6695509
Guaranteed to Fit
$261.00
Vehicle Fitment
  • 1994 GMC G3500 Rally STX 8 Cyl 7.4L Cutting And Welding Required
  • 1994 GMC G3500 Vandura 8 Cyl 7.4L Cutting And Welding Required
  • 1994 GMC G3500 Rally 8 Cyl 7.4L Cutting And Welding Required
  • 1994 GMC G3500 Vandura Special 8 Cyl 7.4L Cutting And Welding Required
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 7.4L Cutting And Welding Required
  • 1994 GMC G3500 Magnavan 8 Cyl 7.4L Cutting And Welding Required
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/Outlet; 19.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 25,000 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.

Series : Standard Grade SeriesTube Material : Stainless Steel
Standard Grade Series 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: M6693476
Guaranteed to Fit
$272.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L To 8500 Lb. Gvw
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L To 8500 Lb. Gvw
  • 1994 GMC G3500 Rally 8 Cyl 5.7L To 8500 Lb. Gvw
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L To 8500 Lb. Gvw
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L To 8500 Lb. Gvw
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L To 8500 Lb. Gvw
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 : 26 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE 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 : Standard Grade SeriesTube Material : Stainless Steel
California Series Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: M663391476
Guaranteed to Fit
$914.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L EO# D-193-132
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L EO# D-193-132
  • 1994 GMC G3500 Rally 8 Cyl 5.7L EO# D-193-132
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L EO# D-193-132
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L EO# D-193-132
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L EO# D-193-132
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 3 in. Main Piping Diameter; Clamp-On Inlet and Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; 26.25 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-132Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : California SeriesTube Material : Stainless Steel
California Series Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: M663391006
Guaranteed to Fit
$1,128.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalProduct Fit : Direct FitRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-132Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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 : California SeriesTube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: M66339106
Guaranteed to Fit
$480.00
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L EO# D-193-105; Cutting And Welding Required
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L EO# D-193-105; Cutting And Welding Required
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 16 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-105Gasket 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
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: EAST70318
Guaranteed to Fit
$112.49
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L Undercar
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L Undercar
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 : 14" in. Overall Length; 2.5 in. ID Inlet Type A; 2.5 in. ID Outlet Type A; Standard Catalyst Type; Federal / EPA Semi-Universal Type; 14 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : 5-year or 50,000-mile Eastern 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.

Tube Material : Stainless Steel
No Returns Accepted - Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Semi-Universal (Welding Required)
Part Number: WK80906
Guaranteed to Fit
$586.99
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 18 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-182-55Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Walker 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 : CalCat SeriesTube Material : Stainless Steel
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: EAST70857
Guaranteed to Fit
$236.99
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L Undercar, Over 8500 GVW
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L Undercar, Over 8500 GVW
  • 1994 GMC G3500 Rally 8 Cyl 5.7L Undercar, Over 8500 GVW
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L Undercar, Over 8500 GVW
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L Undercar, Over 8500 GVW
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L Undercar, Over 8500 GVW
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 and Outlet Diameter; Without O2 Sensor Port; 16 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : 5-year or 50,000-mile Eastern 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.

Tube Material : Aluminized Steel
Standard Series 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: WK15693
Guaranteed to Fit
$194.49
Vehicle Fitment
  • 1994 GMC G3500 Vandura Special 8 Cyl 5.7L With 26-1/4 in. Overall Length
  • 1994 GMC G3500 Rally Camper Special 8 Cyl 5.7L With 26-1/4 in. Overall Length
  • 1994 GMC G3500 Rally 8 Cyl 5.7L With 26-1/4 in. Overall Length
  • 1994 GMC G3500 Rally STX 8 Cyl 5.7L With 26-1/4 in. Overall Length
  • 1994 GMC G3500 Magnavan 8 Cyl 5.7L With 26-1/4 in. Overall Length
  • 1994 GMC G3500 Vandura 8 Cyl 5.7L With 26-1/4 in. Overall Length
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 26.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Walker limited warranty on catalytic performance and 5-year or 50,000-mile structural integrity 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 : Standard SeriesTube Material : Stainless Steel
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: APE645301
Guaranteed to Fit
$152.49
Vehicle Fitment
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L 125.0 in. wheelbase; To 8500 lbs. G.V.W.
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L 125.0 in. wheelbase; To 8500 lbs. G.V.W.
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 : 24.75 in. Overall Length; 2.5 in. ID Pipe Inlet Type A; 2.5 in. OD Pipe Outlet Type ARestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Without sensor portOxygen Sensor Port Location : Factory OEM LocationsWarranty : 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.

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: CAT2906
Guaranteed to Fit
$227.49
Vehicle Fitment
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L To 8500 Lbs Gvw; Federal & California Emissions, Not For Sale Or Use On Vehicles Licensed In The State Of Ca & Ny (Ny Vehicles With Ca Emissions)
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L To 8500 Lbs Gvw; Federal & California Emissions, Not For Sale Or Use On Vehicles Licensed In The State Of Ca & Ny (Ny Vehicles With Ca Emissions)
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 : 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.

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: APE609006
Guaranteed to Fit
$211.99
Vehicle Fitment
  • 1994 GMC G3500 Vandura 6 Cyl 4.3L Pre-OBDII Unit; To 8500 lbs GVW
  • 1994 GMC G3500 Vandura Special 6 Cyl 4.3L Pre-OBDII Unit; To 8500 lbs GVW
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 : Direct FitRecommended Use : OE ReplacementWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 50,000-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.

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Fits perfect and very fast shipping Excellent part exactly what I needed. Thank you.See More
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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