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American Thunder Header Back Exhaust System
Fits 1967 to 1968 GM F-Body with a V8 engine.
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Header Back;Exhaust;Kit;Camaro;Firebird;Performance
| Exhaust Series | American Thunder |
| Exhaust Type | Dual |
| Exit Position | Dual Side |
| Exit Style | Straight |
| Heat Shield Attached | No |
| Inlet Diameter | 2.500 in. |
| Inlet Inside Diameter | N/A |
| Material | Stainless Steel |
| Muffler Count | 2 |
| Muffler Part Number | 842546 |
| Muffler Series | Super 44 Series |
| Outlet Diameter | 2.500 in. |
| Outlet Outside Diameter | 2.500 in. |
| Single Or Dual | Dual |
| Sound Level | Moderate/Aggressive |
| System Type | Header Back |
| Tail Pipe Diameter | 2.500 in. |
| Tip Diameter | N/A |
| Title | Flowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound |
| Tubing Diameter | 2.500 in. |
| Country of Origin (Primary) | US |
| Canadian Harmonizing Tariff Code | 8708925000 |
| Harmonized Tariff Code (Schedule B) | 8708925000 |
| Harmonized Tariff Code (HTS) | 8708925000 |
| MSDS Sheet Number | N |
| NAFTA Preference Criterion Code | B |
| Refurbished Part | N |
| Remanufactured Part | N |
| Stock Status | S |
| Warranty Special | Limited Lifetime |
| Warranty Special UOM | LF |
| UPC | 00700042024292 |
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