Flowmaster American Thunder Crossmember-Back Exhaust System for Chevrolet and Pontiac
Part # 817158
- Super 44 Series Performance Mufflers for Deep Powerful Sound
- Crossmember-Back True Dual 2.50-inch Exhaust System
- Includes Hangers and Hardware for Installation
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Aggressive to Moderate Exterior Exhaust Tone
- Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
- H-pipe Crossover for Maximum Power
- Lifetime Limited Warranty
Description
For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge 2.50-inch mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series performance mufflers and includes all hangers and hardware necessary for installation. The tailpipes exit in the factory location behind the rear wheels. The exhaust system delivers an aggressive to moderate exterior sound tone with a moderate interior tone and is best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. Covered by our Lifetime Limited Warranty.
Specifications
| CARB (California) Compliant | Yes |
|---|---|
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Drive | 2WD |
| Exhaust Series | American Thunder |
| Exhaust Tip Connection | Clamp-On |
| Exhaust Tip Quantity | 0 |
| Exhaust Tip Shape | Round |
| Exit Style | Dual Out Rear |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 2.50 in |
| Inlet Type | Weld-On |
| Main Piping Diameter | 2.50 in |
| Mounting Bracket Included | Yes |
| Muffler (Left) Body Height | 4.00 in |
| Muffler (Left) Body Length | 13.00 in |
| Muffler (Left) Body Width | 9.75 in |
| Muffler (Left) Type | Chambered |
| Muffler (Right) Body Height | 4.00 in |
| Muffler (Right) Body Length | 13.00 in |
| Muffler (Right) Body Width | 9.75 in |
| UPC / GTIN | 00700042025626 |
| Warranty | Manufacturer's Limited Lifetime Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 1968 | Chevrolet | Chevy II | Nova | 5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8, 6.5L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1969 | Chevrolet | Nova | Base | 5.0L V8, 5.7L V8, 6.5L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1970 | Chevrolet | Nova | Base | 5.0L V8, 5.7L V8, 6.5L V8, 6.6L V8, 7.4L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1971 | Chevrolet | Nova | Base | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1972 | Chevrolet | Nova | Base | 5.0L V8, 5.7L V8, 6.6L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1973 | Chevrolet | Nova | Base, Custom | 5.0L V8, 5.7L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1974 | Chevrolet | Nova | Base, Custom | 5.7L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1971 - 1972 | Pontiac | Ventura | Base | 5.0L V8, 5.7L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1973 | Pontiac | Ventura | Base, Custom | 5.0L V8, 5.7L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |
| 1974 | Pontiac | Ventura | Base, Custom, GTO | 5.7L V8 | Aggressive to moderate sound; 2.50 inch Stainless Steel Pipes.; 2.50 inch Stainless Steel Pipes |