{
    "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
}
2018 Subaru WRX STI

2018 Subaru WRX STI Exhaust Systems

Refine by:

Shop Catalog

Showing 1 - 15 of 19 results
Display item:
15
30
45
Sort by:
Axle-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Quad Split Rear Exit, Made of Stainless Steel, Competition Series
Part Number: M6619362
Guaranteed to Fit
$663.00
Vehicle Fitment
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
Product Details
Notes : 4 in. Polished TipsMaterial : Made of Stainless SteelSystem Type : Axle-BackQuantity Sold : KitWarranty : Lifetime 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 : Competition SeriesExit Location : Exit: Dual Split RearMain Piping Diameter : 2 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan; All Wheel Drive; Manual Transaxle, Made of 304 Stainless Steel, Track Edition -
Part Number: AWE302042058
Guaranteed to Fit
$1,145.00
Vehicle Fitment
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan; All Wheel Drive; Manual Transaxle
Product Details
Material : Made of 304 Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : 1 year AWE Tuning 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 : Track EditionMain Piping Diameter : 3 in.Recommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Quad Split Rear Exit, Made of Stainless Steel, Competition Series
Part Number: M6619361
Guaranteed to Fit
$1,264.00
Vehicle Fitment
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive, Quad Split Rear Exit
Product Details
Notes : 4 in. Polished TipsMaterial : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime 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 : Competition SeriesExit Location : Exit: Dual Split RearMain Piping Diameter : 3 in. Main PipeRecommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Turbocharged; Sedan; All Wheel Drive; Manual Transaxle, Made of 304 Stainless Steel, Track Edition -
Part Number: AWE302043066
Guaranteed to Fit
$1,195.00
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
Product Details
Material : Made of 304 Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : 1 year AWE Tuning 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 : Track EditionMain Piping Diameter : 3 in.Recommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Turbocharged; Sedan; All Wheel Drive; Manual Transaxle, Made of 304 Stainless Steel, Touring Edition -
Part Number: AWE301542104
Guaranteed to Fit
$1,495.00
Vehicle Fitment
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
Product Details
Material : Made of 304 Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : 1 year AWE Tuning 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 : Touring EditionMain Piping Diameter : 3 in.Recommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Turbocharged, Sedan, All Wheel Drive, Made of Stainless Steel -
Part Number: I24SES1207TT
Guaranteed to Fit
$1,427.95
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Turbocharged, Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Turbocharged, Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Turbocharged, Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Turbocharged, Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Turbocharged, Sedan, All Wheel Drive
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Injen 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.

Recommended Use : Performance ReplacementProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit, Made of Stainless Steel -
Part Number: M6619547
Guaranteed to Fit
$1,479.00
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive, Single Straight Driver Side Rear Exit
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime 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.

Recommended Use : OE Upgrade
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit, Made of Stainless Steel, ATAK Series -
Part Number: B25140595
Guaranteed to Fit
$1,548.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, AWD, 3 in. Split Into Dual 2.25 in. Muffler; Incl. Connecting Pipes/Mufflers/Hardware/3.5 in. Dual Round Rolled Angle Cut Long Tip; Dual Split Rear Exit
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Million-mile Borla limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead, which are 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.

Specialty Part : Performance Part by JCWSeries : ATAK SeriesExit Location : Exit: Split RearMain Piping Diameter : 3 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Turbocharged; Sedan; All Wheel Drive; Manual Transaxle, Made of Stainless Steel, Touring Edition -
Part Number: AWE301543108
Guaranteed to Fit
$1,545.00
Vehicle Fitment
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Turbocharged; Sedan; All Wheel Drive; Manual Transaxle
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : 1 year AWE Tuning 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 : Touring EditionMain Piping Diameter : 3 in.Recommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, Made of Stainless Steel, Sport Series -
Part Number: COR14857
Guaranteed to Fit
$2,272.99
Vehicle Fitment
  • 2018 Subaru WRX STI All Submodels All Engines
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Corsa 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 : Sport SeriesExit Location : Exit: Dual Split RearMain Piping Diameter : 3 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
Cat-Back, Exhaust System, Made of Stainless Steel, Sport Series -
Part Number: COR14857BLK
Guaranteed to Fit
$2,357.99
Vehicle Fitment
  • 2018 Subaru WRX STI All Submodels All Engines
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime Corsa 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 : Sport SeriesExit Location : Exit: Dual Split RearMain Piping Diameter : 3 in. Main PipeRecommended Use : Performance ReplacementProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Made of Stainless Steel, Armor Pro Series -
Part Number: M79S4803304
Guaranteed to Fit
$679.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime MBRP 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 : Armor Pro SeriesRecommended Use : OE UpgradeProduct Fit : Direct Fit
Axle-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Made of Stainless Steel, Armor Pro Series -
Part Number: M79S4801304
Guaranteed to Fit
$374.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive
Product Details
Material : Made of Stainless SteelSystem Type : Axle-BackQuantity Sold : KitWarranty : Lifetime MBRP 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 : Armor Pro SeriesRecommended Use : OE UpgradeProduct Fit : Direct Fit
Axle-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Made of Stainless Steel, Armor Pro Series -
Part Number: M79S48013CF
Guaranteed to Fit
$479.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive
Product Details
Material : Made of Stainless SteelSystem Type : Axle-BackQuantity Sold : KitWarranty : Lifetime MBRP 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 : Armor Pro SeriesRecommended Use : OE UpgradeProduct Fit : Direct Fit
Cat-Back, Exhaust System, 4 Cyl 2.5L, Sedan, All Wheel Drive, Made of Stainless Steel, Armor Pro Series -
Part Number: M79S48033BE
Guaranteed to Fit
$699.99
Vehicle Fitment
  • 2018 Subaru WRX STI Base 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Type RA 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport-tech 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Sport 4 Cyl 2.5L Sedan, All Wheel Drive
  • 2018 Subaru WRX STI Limited 4 Cyl 2.5L Sedan, All Wheel Drive
Product Details
Material : Made of Stainless SteelSystem Type : Cat-BackQuantity Sold : KitWarranty : Lifetime MBRP 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 : Armor Pro SeriesRecommended Use : OE UpgradeProduct Fit : Direct Fit
Page 1 of 2 | Showing 1 - 15 of 19 results

Popular Products