ETS Single Exit Stainless Steel Catback Exhaust 2002-2007 WRX / 2004-2007 STI bestsellers-value Your factory crank pulley’s job

Your factory crank pulley’s job is straightforward: it transfers rotational energy from the crankshaft to the water pump

and pick lock grooves for easy maintenance

ensuring a smoother

The patented tri-symmetrical ‘T’ slot design enhances cooling efficiency and debris removal

ensuring your engine receives consistent fuel supply for enhanced power and efficiency

ETS Single Exit Stainless Steel Catback Exhaust 2002-2007 WRX / 2004-2007 STI bestsellers-value Your factory crank pulley’s jobRace proven performance! The Extreme Turbo Systems 2002 2007 Subaru STI and WRX Exhaust System use mandrel bent 3. 0" stainless steel tubing for a smooth transition through the exhaust with no reductions or neckdowns. This ETS exhaust system features a stainless steel vband connection for a leak free seal and gives you the ability to adjust the rear section for a perfect fit. All ETS exhaust systems use 304 SS tubing and are made in house and back