Side Exhaust Kit includes: Side Skirts, Stainless Steel Dual Exhaust & Rear Valance Covers. The exhaust system includes: Stainless Steel 2.5" mandrel-bent side exhaust system featuring NEW 304 Stainless Steel Magna Force 4" round mufflers and polished cast-aluminum exhaust tips. Magna Force mufflers feature a straight through race inspired design that allows a 95% straight flow path resulting in a dyno proven 8-10 Horse Power increase. Rear Valance Covers conceal the exhaust openings in the stock rear bumper. Covers install without any cutting or drilling and utilize OEM mounting locations. Cervini's 05-09 side exhausts are covered by our limited life time warranty.