Exhaust Exhaust Pipes, Systems and Components

Flowmaster

American Thunder Crossmember-Back Exhaust System Fits 1967-1972 Chevrolet/Gmc C10, C15 1/2 Ton Trucks With V8 Engine Aggressive To Moderate Sound Flowmaster

$1,232.73

SKU: F00L 17654

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Flowmaster's American Thunder crossmember-back exhaust system for the 1967 - 1972 GM C10/C15 1/2 ton 2WD (Coil Spring) pickup truck. It is designed for moderate to aggressive sound levels and dyno-proven performance increases. The system includes dual Super 44 Series mufflers, 2.50 in. mandrel bent aluminized tubing, and all necessary hardware for installation. It accommodates both long and short wheelbases with automatic or manual transmissions and provides adequate clearance for substantially lowered vehicles. Most systems require zero welding for a simple, bolt-on installation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFlowmaster
Part NumberF00L 17654

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy