Looking for aftermarket parts to modify or upgrade your 2018 Subaru WRX with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your WRX.
Whether you have a 2018 Subaru WRX in Base to Premium trim we have you covered. We have 20 catback available to mod your WRX. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 49-36801-LThis Takeda dual cat-back exhaust system for the 2015 - 2017 Subaru WRX and WRX STI delivers true bolt-on performance with gains up to +14 horsepower and +22 lbs. x ft. of torque as measured on our in-house dyno. 3" into 2-1/4" mandrel-bent 304 stainless steel tubing, mitered merge and dual, stainle... aFe Takeda 3in 304 SS Cat-Back Exhaust System 15-18 Subaru WRX/WRX STI H4-2.0/2.5L (t) 2015-2021 Subaru WRX Base / Limited / Premium $1,652.48 SALE |
 OUT OF STOCK 49-36801-PaFe is proud to introduce an all new Takeda dual cat-back exhaust system for the 2015-2017 Subaru WRX and WRX STI with the H4-2.0L/2.5L (t) engines. This performance cat-back exhaust system is constructed out of 3" into dual 2-1/4" mandrel-bent 304 stainless steel tubing and incorporates a mitered m... aFe Takeda 3in SS Exhaust Cat-Back 15-16 Subaru WRX/STI 2.0L/2.5L Polished Tips 2015-2021 Subaru WRX Base / Limited / Premium $1,499.85 SALE |
 IN STOCK 3015-42098AWE Tuning 2015+ Subaru WRX VA Sedan Touring Edition Exhaust - Chrome Silver Tips (102mm) 2015-2021 Subaru WRX Base / Limited / Premium $1,445.00 |
 IN STOCK 3015-43102AWE Tuning 2015+ Subaru WRX VA Sedan Touring Edition Exhaust - Diamond Black Tips (102mm) 2015-2021 Subaru WRX Base / Limited / Premium $1,545.00 |
 IN STOCK 3020-42058AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Chrome Silver Tips (102mm) 2015-2021 Subaru WRX Base / Limited / Premium $1,095.00 |
 IN STOCK 3020-43066AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Diamond Black Tips (102mm) 2015-2021 Subaru WRX Base / Limited / Premium $1,195.00 |
 IN STOCK - LOW 3815-41004AWE Tuning 2015+ Subaru WRX (VA) Track-to-Touring Conversion Kit 2015-2021 Subaru WRX Base / Limited / Premium $645.00 |
 IN STOCK 3820-41004AWE Tuning 2015+ Subaru WRX (VA) / 2011+ Subaru STI (VA/GV) Touring-to-Track Conversion Kit 2015-2020 Subaru WRX Limited / Premium 2015-2024 Subaru WRX Base $395.00 |
 SHIPS FROM MANUFACTURER BXEX-51001BLOX Racing is pleased to introduce its new line of stainless steel exhaust systems.
These units are constructed from 100% T304 stainless steel. The complete system is mandrel-bent for consistency and precision, and TIG-welded to provide durability and reliability against breakage.
The system feat... BLOX Cat-Back Exhaust System T304 SS 2015+ Subaru WRX 2015-2020 Subaru WRX Base / Limited / Premium $1,120.00 |
 SHIPS FROM MANUFACTURER 140595Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 15-16 Subaru WRX / STI 2.5L S-Type Cat-Back Exhaust Quad Rd RL Tips 2015-2021 Subaru WRX Base / Limited / Premium $1,548.99 |
 IN STOCK 140595CBBORLA Cat-Back and Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainle... Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips 2015-2021 Subaru WRX Base / Limited / Premium $1,832.99 |
 IN STOCK 14857CORSAs Patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a D... Corsa 2015 Subaru WRX Cat Back Exhaust, Polished Quad 3.5in Tips *Sport* 2015-2020 Subaru WRX Base / Limited / Premium $1,856.99 |
 IN STOCK 14857BLKCORSAs Patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a D... Corsa 2015 Subaru WRX Cat Back Exhaust, Black Quad 3.5in Tips *Sport* 2015-2020 Subaru WRX Base / Limited / Premium $1,928.99 |
 SHIPS FROM MANUFACTURER 10168408GReddy 15+ Subaru WRX/STi Revolution RS Exhaust 2015-2020 Subaru WRX Base / Limited / Premium $570.00 |
 IN STOCK 10168202GReddy 2015 Subaru STI/WRX Sedan Supreme SP Exhaust 2015-2020 Subaru WRX Base / Limited / Premium $1,002.38 SALE |
 IN STOCK SES1207TTThe Injen Performance Cat-Back Exhaust System for the 2015-2020 Subaru WRX and WRX STI was designed from the ground up to compliment the aggressive styling and blistering performance of these sporty sedans. Our custom dual muffler design hones the tone of the engine into an ear-pleasing symphony. Pu... Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips 2015-2021 Subaru WRX Base / Limited / Premium $1,427.95 |
 IN STOCK HS15STIGM4SSInvidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust
... Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust 2015-2020 Subaru WRX Base / Limited / Premium $1,069.07 SALE |
 IN STOCK HS15STIGM4STInvidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust
... Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust 2015-2020 Subaru WRX Base / Limited / Premium $1,136.78 SALE |
 IN STOCK - LOW 19361The MagnaFlow Competition Series Exhaust Systems are designed for those seeking maximum performance, reduced mass and an aggressive exhaust note that demands attention. A High Temp Satin Black Coating provides an aggressive unique style and added protection. These systems may not comply with all loc... MagnaFlow SYS Cat-Back 15-17 Subaru WRX Sti 2.5L Polished 3in Tips 2015-2020 Subaru WRX Base / Limited / Premium $1,264.00 |
 IN STOCK MMEXH-WRX-15Mishimoto is proud to release the Performance Cat-back for the 2015+ Subaru WRX/STI. The biggest complaint is the stock cat-back exhaust systems lack of aggressiveness. By installing the Mishimoto Performance Stainless Steel Cat-back, the exhaust system is able to breathe easier, providing horsepowe... Mishimoto 2015 Subaru WRX 3in Stainless Steel Cat-Back Exhaust 2015-2021 Subaru WRX Base / Limited / Premium $1,159.95 |