Earl's Performance - (One) -3 Single (One) -3 Dual Out Vent Adapters 290 in Bore - Drop

290 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Steel - Plasma Moly - 8-Cylinder - Kit

Spring Rubber - Hard - 5 in Springs - 1

Rivet Gun - Pneumatic - 3/32 to 3/16 in OD Rivets - Steel - Black / Yellow - Each

620 in Bolt Center - Steel - Natural - GM ZZZ / ZZ1 / ZZ2 Engines - Small Block Chevy - Each

This system creates a deep powerful sound outside the vehicle with a moderate tone inside the cab and utilizes the factory hanger locations

Earl's Performance - (One) -3 Single (One) -3 Dual Out Vent Adapters 290 in Bore - DropAnother first from Earls are the adjustable LS steam tube adapters. The original GM brazed vent tube manifold does not take into consideration the aftermarket intakes and accessories we put on our performance vehicles. Replace the rigid hard lines with these adjustable outlet, O ring seal adapters that converts to 3 or 4 AN plumbing. Earl's Steam tube adapters are the most adjustable and lowest profile available. These adapters LOOK as nice as they