Flowmaster Exhaust System American Thunder Crossmember-Back 2-1/2" 409 Stainless Steel Chevrolet C10 1963-1966

Flowmaster's American Thunder Crossmember-Back Exhaust System (817937) is the perfect choice for the classic automotive enthusiast looking for an aggressive to moderate exterior and interior sound level. The American Thunder lives up to its name with a deep rumble that will announce the arrival of your 1963-1966 Chevrolet C10 on the scene. Consisting of 409 stainless steel, 2-1/2" mandrel-bent tubing, the system offers corrosion resistance for the long-term durability you expect. 

Features and Benefits: 
- 2.5-Inch Mandrel Bent Tubing Improves Exhaust Flow
- Super 44 Series Mufflers Provide a Deep, Classic Muscle Truck Sound
- H-Pipe Style Crossover Pipe Reduces Interior Sound
- Includes all Necessary Hangers and Hardware for Installation
- 409 Stainless Steel Construction Adds Corrosion Resistance 
- Fits Both Short Bed and Long Bed Trucks
- Dual Out Rear / Dual Out Side Exit Position 
- Aggressive to Moderate Exhaust Note
- Black Painted Dual Mufflers Use Factory Hangers 

The Crossmember-Back Exhaust System will fit 1963-1966 Chevrolet C10 and GMC 1000 series 2-wheel drive, non X-Frame V8 trucks without the torsion bar front suspension. And, it's compatible with both short- and long-wheelbase trucks.

The Exhaust System begins directly after the factory manifold downpipes or a set of headers. The 2-1/2" 409 stainless steel piping maximizes exhaust flow so you can get the most performance out of your truck's V8 engine. The System comes complete with a built-in H-pipe crossover and Super 44 Series performance mufflers to achieve that classic muscle truck sound. 

Flowmaster's American Thunder Exhaust System culminates in your choice of a dual-out-the-rear or dual-out-the-side exit. You'll receive all necessary hardware to complete the installation process in no time.