Flowmaster American Thunder Exhaust Systems
"The Sound That Started It All". American Thunder is the "original" Flowmaster sound. American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside or out. In most cases, a very aggressive sound level, American Thunder systems are a great choice when you want to be heard.
Part Type: Exhaust System
Application: GM/GMC Truck C10/C20/C30 1973-1980 5.0L, 5.7L, 6.6L, 7.4L V8, GM/GMC Truck C10/C20/C30 1981-1987 4.3L V6, 5.0L, 5.7L V8
System Series: American Thunder
System Type: Header Back - Dual
Tone Level: Moderate - Agressive
Inlet Diameter: 2.50"
Outlet Diameter: 2.50"
Tubing Diameter: 2.50"
Muffler Series: Super 44
Muffler Quantity: 2
Heatshield: No
H-Pipe: Yes
Hardware Included: Yes
Exit Position: Dual Rear Exit/Dual Side Exit
Tip(s) Included: No
Tip Diameter: NA
Tip Material: NA
Material: Aluminized Steel
Finish: Natural
Manufacturer: Flowmaster
Manufacturer's Part Number: 17742
Weight: 37.5 lbs.
Warranty: Limited Lifetime
Quantity: Sold as Kit |