Flowmaster 817174 American Thunder Header-Back Exhaust System 1955-1957 Chevy Car V8 (Except Convertible/Wagon)
For the person who is looking for a complete crossmember-back dual exhaust system for your 1955-1957 Chevy coupes and sedans. This American Thunder® system is manufactured from 2.50-inch mandrel-bent stainless steel for maximum performance and longevity, and includes a built-in H-pipe for a mellow smooth tone eliminating back rap on deceleration. The system includes a pair of Super 40® Series performance mufflers for a deep exterior sound, with a moderate interior tone and dual tailpipes tucked up high for clearance and exit straight out the back under the rear bumper. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Covered by our Lifetime Limited Warranty. Notes: Does Not fit wagons or convertibles.
- H-pipe Crossover for Maximum Power and Deep Tone
- Super 44 Series Mufflers for Deep Powerful Sound
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Includes Hangers and Hardware for Installation
- Moderate to Aggressive Exterior Exhaust Tone
- Crossmember-back True Dual Exhaust System
- Does Not Include Header Reducers or Downpipes for Factory Manifolds
- Lifetime Limited Warranty
| weight | 72.15 |
| length | 64 |
| width | 18.5 |
| height | 14.9 |
| 2WD/4WD | 2WD |
| Brand | Flowmaster |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| California Proposition 65 Required | Yes |
| Emission Code | 5 |
| Exhaust Series | American Thunder |
| Exit Position | Dual Out Rear |
| Heat Shield | No |
| Inlet Diameter (in) | 2.5 |
| Material | 409 Stainless Steel |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 2 |
| Muffler Series | Super 40 Series |
| Outlet Diameter (in) | 2.5 |
| Product Type | Exhaust System |
| Single Dual | Dual |
| Sound Level | Aggressive / Moderate |
| System Type | Crossmember-back |
| Tip Diameter (in) | 3 |
| Tip Quantity | 2 |
| Tubing Diameter (in) | 2.5 |
| Warning | California Proposition 65 |
