Vehicle Set: Click here to shop All Subaru WRX STI parts.

Subaru WRX STI Exhaust, Mufflers & Tips

Looking for aftermarket parts to modify or upgrade your Subaru WRX STI with exhaust, mufflers & tips? At Tunersports.com we carry a huge selection of the top name brand performance exhaust, mufflers & tip parts and accessories for your WRX STI.

Whether you have a 2015 or 2021 Subaru WRX STI in Base to Type RA trim we have you covered. With exhaust, mufflers & tips from axle back to headers & manifolds we have 56 WRX STI exhaust, mufflers & tip mods available. All parts have free shipping to the Continental US 48 States.

All WRX STI Exhaust, Mufflers & Tip Parts:

Recently Added Subaru WRX STI Aftermarket Exhaust, Mufflers & Tip Parts:

IN STOCK Turbo XS Exhaust Adapters ADA-OEMDP-3CB-1 Turbo XS Subaru OEM Downpipe to 3in Cat-Back Adapter w/Stainless Steel Exhaust Gasket $61.81 Details
IN STOCK Turbo XS Exhaust Adapters ADA-OEMDP-3CB Turbo XS Subaru WRX/STI OEM Downpipe to 3in Cat-Back Adapter w/Standard Exhaust Gasket $49.24 Details
IN STOCK Turbo XS Exhaust Adapters ADA-3DP-OEMCB-1 Turbo XS Subaru 3in Downpipe to OEM Cat-Back Adapter w/Stainless Steel Exhaust Gasket $80.67 Details
IN STOCK Turbo XS Exhaust Adapters ADA-3DP-OEMCB Turbo XS Subaru WRX/STi 3in Downpipe to OEM Cat-Back Adapter w/Standard Exhaust Gasket $61.81 Details
IN STOCK Turbo XS Exhaust Gaskets GEMH-EJ2025 Turbo XS Subaru EJ20/EJ25 4-Layer Stainless Steel Exhaust Manifold to Header Gasket - Pair $41.36 Details
IN STOCK Injen Catback Exhaust SES1207TT Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips $1,427.95 Details
IN STOCK Turbo XS Cat Pipes W15-FPC Turbo XS 2015 Subaru WRX M/T Catted Front Pipe $586.98 Details
IN STOCK Turbo XS Front Pipes W15-FP-1C Turbo XS 2015+ Subaru WRX Front Pipe w/ Catalytic Converter $324.84 Details
IN STOCK Torque Solution Exhaust Adapters TS-SU-480 Torque Solution Subaru 3in Aftermarkert Downpipe To OEM Catback Exhaust Adapter $64.77 Details
IN STOCK Torque Solution Exhaust Adapters TS-SU-479 Torque Solution Subaru Stock Downpipe to 3in Aftermarket 3in Catback Exhaust Adapter $64.77 Details

Popular Subaru WRX STI Aftermarket Exhaust, Mufflers & Tip Parts:

IN STOCK Invidia Gemini - Titanium Tips HS15STIGM4ST Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust $1,136.78 SALE Details
IN STOCK Invidia N1 - Titanium Tips HS15STIGTT Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust $809.49 SALE Details
IN STOCK Turbo XS Cat Pipes W15-FPC Turbo XS 2015 Subaru WRX M/T Catted Front Pipe $586.98 Details
IN STOCK Turbo XS Exhaust Adapters ADA-3DP-OEMCB-1 Turbo XS Subaru 3in Downpipe to OEM Cat-Back Adapter w/Stainless Steel Exhaust Gasket $80.67 Details
IN STOCK Invidia Gemini - Stainless Tips HS15STIGM4SS Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust $1,069.07 SALE Details
IN STOCK Invidia Q300 - Titanium Tips HS15STIG3T Invidia 15+ Subaru WRX/STI 4Dr Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust $1,136.78 SALE Details
IN STOCK CORSA Performance Cat-Back Sport 14857 Corsa 2015 Subaru WRX Cat Back Exhaust, Polished Quad 3.5in Tips Sport $1,856.99 Details
IN STOCK Invidia Q300 - Stainless Tips HS15STIG3S Invidia 15+ Subaru WRX/STI 4Dr Q300 Twin Outlet Rolled Stainless Steel Quad Tip Cat-Back Exhaust $1,069.07 SALE Details
IN STOCK Invidia N1 - Stainless Tips HS15STIGTP Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip SS Cat-Back Exhaust $785.73 SALE Details
IN STOCK AWE Tuning Cat-Back Touring 3015-42104 AWE Tuning Subaru STI VA / WRX GV / STI GV Sedan Touring Edition Exhaust - Chrome Silver Tip (102mm) $1,445.00 Details