Engine › TURBO OUTLET PIPE TURBO OUTLET PIPE $399.95 Sold Out • 3 HP increase over stock down pipe, can be run with Aftermarket or stock muffler.• Larger less restrictive Down pipe ideal for bigger HP Upgrades.• A must for any 900 Turbo with an aftermarket tune Sold Out Added! • 3 HP increase over stock down pipe, can be run with Aftermarket or stock muffler.• Larger less restrictive Down pipe ideal for bigger HP Upgrades.• A must for any 900 Turbo with an aftermarket tune