Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips 1994-volkswagen-passat-esi1843178 The PCV system is a

The PCV system is a closed loop requiring a vacuum signal from the intake manifold to open the PCV valve

OE quality & look

COBB Aggressive: All COBB Sport features plus increased maximum shift points

erratic lean AFR spikes

Unfortunatly this hose is nt compatible with a stock intercooler

Borla 15-19 Subaru WRX/STI 2.5L Turbo 3in S-Type Catback Exhaust - 2.5in Black Chrome Tips 1994-volkswagen-passat-esi1843178 The PCV system is aThis 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