Flowmaster American Thunder Crossmember-Back Exhaust System for 1970-1974 Chevrolet Camaro and Pontiac Firebird
Part # 17149
- Specially Designed Slimline 50 Series Mufflers for Max Clearance
- H-pipe Crossover for Maximum Power and Deep Tone
- Moderate to Aggressive Sound Exterior Exhaust Note
- Includes 2.50-inch Polished 304 Stainless Steel Tips
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Includes Hangers and Hardware for Installation
- Crossmember-Back True Dual Exhaust System
- Does Not Include Header Reducers or Factory Manifold Downpipes
Description
This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1970-1974 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent aluminized steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of Slimline 50 Series® Delta Flow mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Covered by our 3-year Limited Warranty.
Specifications
| CARB (California) Compliant | Yes |
|---|---|
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Clamping Type | U-Bolt |
| Clamps Included | Yes |
| Drive | 2WD |
| Exhaust Series | American Thunder |
| Exhaust Tip Connection | Welded |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 2.50 in |
| Exhaust Tip Edge | Slash Cut |
| Exhaust Tip Finish | Polished |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 2 |
| Exhaust Tip Resonated | No |
| Exhaust Tip Shape | Round |
| Exhaust Tip Wall | Single Wall |
| Exit Style | Dual Out Rear |
| Finish | Aluminized |
| 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 |
| UPC / GTIN | 00700042016662 |
| Warranty | Manufacturer's Limited Lifetime Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 1970 - 1972 | Chevrolet | Camaro | Base, RS, SS, Z28 | 5.0L V8, 5.7L V8, 6.6L V8 | 2.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips |
| 1973 | Chevrolet | Camaro | Base, LT, RS, Z28 | 5.0L V8, 5.7L V8 | 2.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips |
| 1974 | Chevrolet | Camaro | Base, LT, Z28 | 5.7L V8 | 2.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips |
| 1970 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 5.7L V8, 6.6L V8 | 2.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips |
| 1971 - 1974 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 5.7L V8, 6.6L V8, 7.5L V8 | 2.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips |
