40 Series - 2.25 Offset In / 2.25 Center Out - Aggressive Sound 1977-gmc-c15-esi6377310 Clamp-On Ring - 2-Piece -

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

Camshaft - FSL - Hydraulic Roller - Lift 0

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

Steering Wheel - Trecento Liscio - 300 mm - Flat - 3-Spoke - Black Leather Grip - Yellow Stripe - Aluminum - Black Anodized - Each

62 in Long - Minus 0

40 Series - 2.25 Offset In / 2.25 Center Out - Aggressive Sound 1977-gmc-c15-esi6377310 Clamp-On Ring - 2-Piece -The 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.