Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound 1983-chevrolet-k20-esi6015223 Coil-Over Thrust Bearing - Bearing

Coil-Over Thrust Bearing - Bearing / Washers Included - Roller - Steel - 2-1/2 in ID Springs - Kit

4 in Rear - Front / Rear - Steel - Silver Powder Coat - Tesla Model Y 2020-22 - Kit

5 in Tall - 7 in Wide - Dual 1/4 in NPT Ports - Aluminum - Natural - Each

Coil Bracket Bolt Kit - 12 Point Head - Washers Included - Chromoly - Black Oxide - GM LS-Series - Kit

3/5 - FIA Approved - Touchscreen Compatible - Elastic Cuff - Black / Gray / Fluorescent Orange - Large - Pair

Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound 1983-chevrolet-k20-esi6015223 Coil-Over Thrust Bearing - BearingThe Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.