Flowmaster - 40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound Heat Crossover Plug - Iron

Heat Crossover Plug - Iron - Natural - Oldsmobile V8 - Pair

Carburetor Float - Center Hung - Brass - Holley 4150 Carburetors - Each

which has a very deep powerful sound outside the vehicle

Axle Spacer - 1 in Wide - Straight - 1

Crate Engine - Drop-in-Ready - 350 Cubic Inch - 390 HP - Small Block Chevy - Each

Flowmaster - 40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound Heat Crossover Plug - IronThe 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 409S stainless steel and fully MIG welded for maximum durability.