Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips 1994-volkswagen-passat-esi1843178 Unfortunatly this hose is nt

Unfortunatly this hose is nt compatible with a stock intercooler

5V Audi A3 2

A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower

When upgrading to an IE intake system

Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips 1994-volkswagen-passat-esi1843178 Unfortunatly this hose is ntThis 3" diameter into dual 2. 25" BORLA Cat Back system is tuned for performance and sound for both the 2. 0L engine in the WRX and the 2. 5L engine in the STI. Our S Type sound level is designed to bring out the Subaru Boxer engine rumble and provides an aggressive sound without the drone. This system features quad (2 per muffler) 3. 5" round high temperature black coated T 304 stainless steel tips, but is also available with polished T 304 stainless