Flowmaster 17742 American Thunder Header Back Exhaust System Flowmaster 17742

This American Thunder exhaust system was specially designed for 1973-1974 Chevrolet and GMC C10 and C15 1/2 ton and 3/4 ton 2wd trucks and is perfect for the person looking for moderate to aggressive interior and exterior sound levels. The crossmember-back exhaust system comes complete with a built-in H-pipe crossover, all mandrel-bent 2.50-inch aluminized steel tubing, a pair of Super 44 Series performance mufflers and your choice of tailpipe exits. Either dual out rear under the bumper for a muscular look or dual out the sides behind the rear tires for that classic truck look. The system includes all hardware necessary for installation and is designed to accommodate both long and short wheelbases, with either an automatic or manual transmission and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our 3-year Limited Warranty. Notes: Does Not include exhaust tips, header reducer cones or downpipes for factory manifolds.

Specifications:

Description_DES	American Thunder Header Back Exhaust System
Description_EXT	American Thunder Header Back Exhaust System; Dual; Dual Rear Same Side Exit; Incl. 2.5 in. Tubing/Super 44 Series™ Mufflers/H-Pipe/Hdw; Tips Not Included; Aluminized Steel;
Description_FAB	Limited Lifetime Warranty
Description_FAB	Moderate Exterior Exhaust Tone
Description_FAB	Incl. Hangers and Hardware For Easy Installation
Description_FAB	Header Back System
Description_FAB	Dual Out Rear Exit
Description_FAB	Dyno Tuned for Maximum Performance
Description_FAB	Premium Flowmaster Quality
Description_FAB	Famous Flowmaster sound
Description_FAB	Multiple Exit Options
Description_FAB	Patented Delta Flow Technology
Description_FAB	Made in the USA
Description_MKT	This American Thunder exhaust system was specially designed for 1973-1974 Chevrolet and GMC C10 and C15 1/2 ton and 3/4 ton 2wd trucks and is perfect for the person looking for moderate to aggressive interior and exterior sound levels. The crossmember-back exhaust system comes complete with a built-in H-pipe crossover, all mandrel-bent 2.50-inch aluminized steel tubing, a pair of Super 44 Series performance mufflers and your choice of tailpipe exits. Either dual out rear under the bumper for a muscular look or dual out the sides behind the rear tires for that classic truck look. The system includes all hardware necessary for installation and is designed to accommodate both long and short wheelbases, with either an automatic or manual transmission and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our 3-year Limited Warranty. Notes: Does Not include exhaust tips, header reducer cones or downpipes for factory manifolds.
Description_SHO	Exhaust System Kit

This Part Fits:

Year	Make	Model	Submodel	Notes
1975	GMC	C25
1976	GMC	C25
1977	GMC	C25
1978	GMC	C25
1979	GMC	C2500
1980	GMC	C2500
1981	GMC	C2500
1982	GMC	C2500
1983	GMC	C2500
1984	GMC	C2500
1985	GMC	C2500
1986	GMC	C2500