15-20 Subaru WRX STI Catback

Want to modify or upgrade your 2015-2020 Subaru WRX STI with aftermarket catback? At OGTuners.com we have a great selection of aftermarket performance parts for your Subaru WRX STI. We have 37 catback parts available in our store with free shipping to the Continental US.

aFe Exhaust Cat Back

$1,750.33 SALE 49-36801-L aFe Takeda 3in 304 SS Cat-Back Exhaust System 15-18 Subaru WRX/WRX STI H4-2.0/2.5L (t) IN STOCK - LOW 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

$1,623.00 SALE 49-36801-P aFe Takeda 3in SS Exhaust Cat-Back 15-16 Subaru WRX/STI 2.0L/2.5L Polished Tips IN STOCK - LOW 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

AWE Tuning Cat-Back Touring

$1,545.00 3015-42104 AWE Tuning Subaru STI VA / WRX GV / STI GV Sedan Touring Edition Exhaust - Chrome Silver Tip (102mm) IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

$1,600.00 3015-43108 AWE Tuning Subaru STI VA / WRX GV / STI GV Sedan Touring Edition Exhaust - Diamond Black Tip (102mm) IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

AWE Tuning Cat-Back Track

$1,185.00 3020-42058 AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Chrome Silver Tips (102mm) IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

$1,235.00 3020-43066 AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Diamond Black Tips (102mm) IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

AWE Tuning Exhaust Conversion Kits

$720.00 3815-41006 AWE Tuning 2011+ Subaru STI (GV/VA) Track-to-Touring Conversion Kit IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

$440.00 3820-41004 AWE Tuning 2015+ Subaru WRX (VA) / 2011+ Subaru STI (VA/GV) Touring-to-Track Conversion Kit IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

BLOX Racing Exhaust Systems

$1,164.80 BXEX-51001 BLOX Cat-Back Exhaust System T304 SS 2015+ Subaru WRX OUT OF STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Borla Cat Back ATAK

$1,548.99 140595 Borla 15-16 Subaru WRX / STI 2.5L S-Type Cat-Back Exhaust Quad Rd RL Tips IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

Borla Cat Back S-Type

$1,832.99 140595CB Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

CORSA Performance Cat-Back Sport

$1,856.99 14857 Corsa 2015-2021 Subaru WRX Cat Back Exhaust Polished Quad 3.5in Tips Sport IN STOCK (1) - LOW SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA

$1,928.99 14857BLK Corsa 2015-2021 Subaru WRX Cat Back Exhaust Black Quad 3.5in Tips *Sport* IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA

GReddy Revolution Exhaust

$570.00 10168408 GReddy 15+ Subaru WRX/STi Revolution RS Exhaust ETA: 04/08/2026* *This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time. SHIPS FROM MANUFACTURER Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

GReddy SP Exhaust

$1,004.58 SALE 10168202 GReddy 2015 Subaru STI/WRX Sedan Supreme SP Exhaust IN STOCK - LOW 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Injen Catback Exhaust

$1,527.91 SES1207TT Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue 2018-2018 Subaru WRX STI Type RA 2019-2019 Subaru WRX STI S209

Invidia G5 Titan Exhaust

$1,605.13 SALE HS15STIDTG Invidia 15+ WRX/STi Sedan G5 Titan Titanium Cat-Back Exhaust IN STOCK - LOW 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia Gemini - Stainless Tips

$1,736.56 HS15STIGM4SS Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust OUT OF STOCK ETA: 01/07/2026* *This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time. 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia Gemini - Titanium Tips

$1,616.14 SALE HS15STIGM4ST Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia N1 - Stainless Tips

$1,115.57 SALE HS15STIGTP Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip SS Cat-Back Exhaust IN STOCK - LOW 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

$979.20 SALE HS15SW4GTP Invidia 15+ Subaru WRX/STI Single N1 Stainless Steel Tip Cat-back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia N1 - Titanium Tips

$1,149.45 SALE HS15STIGTT Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

$979.20 SALE HS15SW4GTT Invidia 15+ Subaru WRX/STI Single N1 Titanium Tip Cat-back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia N1 Racing Exhaust

$859.77 SALE HS15SW4GST Invidia 15+ Subaru WRX/STI Single Racing Titanium Tip Cat-back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue

Invidia Q300 - Stainless Tips

$1,519.58 SALE HS15STIG3S Invidia 15+ Subaru WRX/STI 4Dr Q300 Twin Outlet Rolled Stainless Steel Quad Tip Cat-Back Exhaust IN STOCK 2015-2015 Subaru WRX STI Launch Edition 2015-2016 Subaru WRX STI Base / Limited 2016-2016 Subaru WRX STI Series.HyperBlue