aFe Scorpion Mild-Steel Y-Pipe Spacer Kit (48-90003) _8J0698151F which improves cylinder filling

which improves cylinder filling

Further down the rev range

which is designed to provide excellent filtration while allowing maximum airflow

engineered for lightweight performance without compromising strength or style

Note: 325xi and 330xi models require a Simon 2 cable instead of Simon 3

aFe Scorpion Mild-Steel Y-Pipe Spacer Kit (48-90003) _8J0698151F which improves cylinder fillingScorpion Mild Steel Y Pipe Spacer Kit (48 90003) by aFe. Adding 2. 5" or more lift to your vehicle will change driveline and can create clearance problems between your driveshaft and factory exhaust. aFe's 304SS exhaust spacers are a great problem solver which moves the factory y pipe rearward to prevent contact between the driveshaft and exhaust during extended suspension travel. JK models with Long Arm lift kits will require increased clearance.