Tomei Expreme Ti Titanium Catback Exhaust System - Fits Subaru 02-07 WRX / 04-07 STI subaru-wrx-2013 we are able to optimize

we are able to optimize heat transfer and support vehicles from stock up to 400 whp

(1) Large O-Ring

Addresses and removes the OEM Fuel Pressure Damper that causes the stumble issue

it provides unmatched durability and strength

Tomei Expreme Ti Titanium Catback Exhaust System - Fits Subaru 02-07 WRX / 04-07 STI subaru-wrx-2013 we are able to optimizeTomei Expreme Titanium Cat Back Exhaust System; for those of you looking to add performance by losing weight and adding horsepower! This exhaust system has been fully fabricated from lightweight titanium and provides substantial weight savings for your 2002 2007 Subaru WRX STI! This exhaust system has been designed with minimal bends to reduce exhaust turbulence under acceleration which improves throttle response and adds both horsepower and torque.