Description
Description
American Thunder Header Back Exhaust System; Dual; Dual Rear Same Side Exit; Incl. 2.5 in. Tubing/Crossmember/Super 40 Series Mufflers; Tips Not Included; 409 Stainless Steel;
Flowmaster’s American Thunder crossmember-back exhaust system for the 1967 – 1972 GM C10/C15 1/2 ton 2WD (Coil Spring) 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 in. mandrel bent 409S stainless steel tubing and all the hardware necessary for a great fitting installation. (Stainless tips sold separately). 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 Lifetime Limited Warranty. Fits 1967 to 1972 Shortbed/Longbed GMC and Chevrolet C10 and C15 1/2 Ton 2 wheel drive pickups with a V8 engine using the coil spring suspension only
Features & Benefits
- Mandrel Bent 16 Gauge 409 Stainless Tubing
- Limited Lifetime Warranty
- Moderate to Aggressive Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Or Side Exit
- Multiple Tailpipe Exit Options
- Patented Delta Flow Technology
- Premium Flowmaster Quality
| Material: | Stainless Steel |
|---|---|
| Part Type: | Exhaust System Kit |
| Exhaust Series: | American Thunder |
| Exit Position: | Dual Rear Same Side |
| Heat Shield Attached: | No |
| Inlet Inside Diameter: | 2.500 in. |
| Muffler Count: | 2 |
| Muffler Series: | Super 44 Series |
| Outlet Diameter: | 2.500 in. |
| Single or Dual: | Dual |
| System Type: | Header Back |
| Tubing Diameter: | 2.500 in. |
| Exhaust Type: | Dual |
| Exit Style: | Straight |
| Inlet Diameter: | 2.500 in. |
| Muffler Part Number: | Kit Only |
| Outlet Outside Diameter: | 2.500 in. |
| Sound Level: | Moderate/Aggressive |
| Tail Pipe Diameter: | 2.500 in. |
| Tip Quantity: | 0 |
| Tip Diameter: | N/A |





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