Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
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Flowmaster's American Thunder Crossmember-back exhaust system for the 73-87 GM C10/C20, Â½ and 3/4 ton, 2WD pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This Crossmember-back DOR/DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers. This system is routed in a fashion that accommodates both long and short wheelbases with automatic or manual transmissions, and provides adequate clearance for substantially lowered vehicles. The exhaust system is manufactured in the USA and is covered by Flowmaster's 3 Year Limited Warranty. This system is not emissions compliant on vehicles that were originally equipped with catalytic converters. Note: This system is not designed as a direct bolt-on and will require the user to fabricate pipes to connect to manifolds or headers.
- Famous Flowmaster Sound
- Multiple Exit Options
- Patented Delta Flow Technology
- Made in the USA
Application1973-1974 Chevrolet C10 Pickup
1973-1974 Chevrolet C20 Pickup
1973-1974 GMC C15/C1500 Pickup
1973-1974 GMC C25/C2500 Pickup
1975-1978 GMC C15
1975-1978 GMC C25
1975-1986 Chevrolet C10
1975-1986 Chevrolet C20
1979-1986 GMC C1500
1979-1986 GMC C2500
Notes1973 to 1987 Chevrolet and GMC C10 (1/2 ton) and C20 (3/4 ton) Pickup Trucks, 2 Wheel Drive Only.
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Q & A
Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.