40 Series - 2.25 Offset In / 2.25 Center Out - Aggressive Sound 1977-gmc-c15-esi6377310 1 - Aluminum / Steel

1 - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each

Clamp-On Ring - 2-Piece - 3 in ID - 2 in Wide - 2-Bolt - Steel - Natural - Each

Gauge Kit - VHX Series - Analog - Fuel / Oil Pressure / Speedometer / Tachometer / Voltmeter / Water Temperature - Black Face - Chevy Fullsize Car 1955-56 - Kit

The accessory drive components in this system can be configured in several different ways

40 Series - 2.25 Offset In / 2.25 Center Out - Aggressive Sound 1977-gmc-c15-esi6377310 1 - Aluminum / SteelThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.