Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
73-86 Chevy, 73-86 GMC, Header-Back Exhaust System Type, Dual Single or Dual, RWD Drivetrain
- This item ships directly from the manufacturer. It may take an additional 2 business days for Flowmaster to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
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.
More Like This
Hooker 16523HKR Header Back Exhaust System
Hooker 16622HKR Manifold Back Exhaust System
Flowmaster 15937 3 Inch U-Fit Universal Dual Exhaust Kit
Flowmaster 15935 2-1/4 Inch U-Fit Universal Dual Exhaust Kit
Flowmaster 15936 2-1/2 Inch U-Fit Universal Dual Exhaust Kit
MagnaFlow 10702 Custom Builder Pipe Kit
MagnaFlow 10703 Custom Builder Pipe Kit
MagnaFlow 10701 Custom Builder Pipe Kit
QTP 400114 Screamer Exhaust System, Cat Back, Kit
QTP 600111 AR3 Exhaust Systems, Cat Back, Kit
Q & A
Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.
Tim gives a little bit of history on the Ford Y Block and shows some of the parts we have to offer.