The Saturn Series Universal fit 409 Stainless Steel Performance Muffler is designed to provide a deep, throaty, powerful sound on acceleration but maintain a smooth sound at idle. This muffler is constructed of brushed finished 409 stainless steel and uses a straight through perforated core with heat resistant packing to reduce back - pressure and maximize exhaust flow. You will see increased performance and improved throttle response over the factory exhaust. Muffler Specifications 4 IN ID CenterCenter x 8 IN Dia. x 30 IN OAL - Round Body Leak - Free Seal Includes 2 Torca AccuSeal exhaust clamps for a long - lasting, secure 360 - degree sealing surface. Emissions Disclaimer This product does not require a CARB EO