Perrin 3 inch Turbo Inlet Black WRX (2002-2007) STI (2004-2018) Mazda Rubber inserts keep the noise

Rubber inserts keep the noise at a minimum

compliant and designed specifically to fit your WRX or STI

The Invidia Q300 catback exhaust system for the Honda Civic Si sounds as good as it looks

The Enkei RS05RR is a great combination of both elegance and aggression and is a great example of that racing heritage

Perrin 3 inch Turbo Inlet Black WRX (2002-2007) STI (2004-2018) Mazda Rubber inserts keep the noiseA performance turbo inlet hose is a great modification, especially when upgrading a turbocharger or to a high flow intake system. Perrin's turbo inlet hose for the WRX and STI features 5 ply silicone construction with an internal wire mesh for maximum durability and rigidity without the added weight or heat retention of metal. Perrins full silicone construction is immune to heat soak and guarantees a smooth internal passageway, unlike the stock