Fabspeed 718 GT4/GTS/Spyder Street Performance Package (20+) (FS.POR.718GT4.SPKGBE) 1403 The STILLEN Q50 axle-back exhaust

The STILLEN Q50 axle-back exhaust system is no exception

The AEM-29-0011WR performance strut bar provides additional vehicle stability on various Subaru WRX and WRX STI models

One of the hallmarks of a STILLEN supercharger is ease of installation

1/2in thick flanges - all 7 flanges are laser cut from the same 1/2in thick stainless plate for perfect sealing

Fabspeed 718 GT4/GTS/Spyder Street Performance Package (20+) (FS.POR.718GT4.SPKGBE) 1403 The STILLEN Q50 axle-back exhaustFabspeed's 718 Street Performance Package is the premium solution for adding dynamic performance and superlative sound to your GT4 GTS Spyder on the street. Delivering well over 400 horsepower to the wheels with easy to install bolt on upgrades (on a GT4), there is no better option for the GT4 owner seeking maximum power and performance while retaining catalysts and the stock ECU tune. No need to suffer long periods of downtime for an engine build.