Exhaust System Kit
American Thunder Header Back Exhaust System
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;
- Color: Black
- Exhaust Series: American Thunder
- Exhaust Type: Dual
- Exit Position: Dual Rear Same Side
- Exit Style: Straight
- Inlet Diameter: 2.500 in.
- Inlet Inside Diameter: 2.500 in.
- Material: Aluminized Steel
- Mount Type: Flanged
- Muffler Count: 2
- Muffler Series: Super 44
- Muffler Type: Welded Baffle
- Outlet Diameter: 2.500 in.
- Outlet Outside Diameter: 2.500 in.
- Shape: Oval
- Single or Dual: Dual
- Sound Level: Moderate/Aggressive
- System Type: Header Back
- Tail Pipe Diameter: 2.500 in.
- Tip Diameter: N/A
- Tubing Diameter: 2.500 in.
- Tubing Material: Aluminized Steel
- WARNING CA Proposition 65: No
- Limited Lifetime Warranty
- Moderate Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- Famous Flowmaster sound
- Multiple Exit Options
- Patented Delta Flow Technology
- Made in the USA
Flowmaster's American Thunder Crossmember-back exhaust system for the 73-87 GM C10/C20, 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 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.
Flowmaster operates the only exhaust Research & Design facilities of its kind in the world, centered around the SuperFlow SF-7100 engine dynamometer complete with E.C.A. (engine cycle analysis) equipment and also SuperFlow chassis dyno's. Through use of these dyno's, Flowmasters engineering staff can track the complete engine cycle in millionths of a second and can obtain exact technical data of each degree of cam rotation, from induction to the tip of the exhaust system, while also showing the power numbers that really matter, the power numbers to the ground. Flowmaster also utilizes Spectrum Analyzers to fine tune the sound of each of the eleven different series of mufflers that Flowmaster currently offers, both for peak performance and just the right sound levels and tones. Flowmasters product line includes exhaust products for Performance Street, Muscle cars, Trucks, Street Rods, RV's, Motorhomes, and all types of race applications. With over 400 different muffler models, 370+ exhaust systems and numerous exhaust accessories available, Flowmaster offers you the choice of sound to fit your sound preference from wild to mild and of your specific vehicle needs. Call our experienced tech staff for live help and detailed information regarding your vehicles. With Ray still active and hands on with the R&D department in the development, not only of new exhaust products, but also with new technologies currently being tested in third and new R&D facility, the future looks to be very exciting indeed.