For the person who is looking for a complete Crossmember-Back dual exhaust system with a moderately aggressive tone for their 1964 to 1972 Chevrolet/GMC El Camino/Sprint with a V8 engine. With easy fit in mind, these systems are constructed from 2.50-inch mandrel-bent aluminized steel with a built in H-pipe to equalized the exhaust pressures, eliminates backrap on deceleration and makes maximum power. The system includes a pair of specially selected Super 50 Series mufflers for a deep powerful exterior sound with minimal interior tone and is suited for the enthusiast who wants their performance to be heard, just not inside the cab. The mandrel-bent tailpipes exit at an angle behind the rear wheels and are finished off with large 3.00-inch angle cut polished stainless tips for an aggressive look. 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.
Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17120
Specifications:
| Brand | Flowmaster |
| Description_ABR | SYS 64-72 CH |
| California Proposition 65 | Yes |
| Description_SHO | SYS 64-72 CHEV EL CA |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| Description_INV | 64-72 CHEV EL CAMINO/SPRINT AMT |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| Description_ASC | Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine. |
| CARB (California) Compliant | Yes |
| Description_DES | Flowmaster American Thunder Crossmember-Back Exhaust System |
| Catalytic Converter Included | No |
| Description_EXT | Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine, 2.5" Aluminized pipes - Aggressive to moderate sound |
| 2874 | 0 |
| Description_MKT | For the person who is looking for a complete Crossmember-Back dual exhaust system with a moderately aggressive tone for their 1964 to 1972 Chevrolet/GMC El Camino/Sprint with a V8 engine. With easy fit in mind, these systems are constructed from 2.50-inch mandrel-bent aluminized steel with a built in H-pipe to equalized the exhaust pressures, eliminates backrap on deceleration and makes maximum power. The system includes a pair of specially selected Super 50 Series mufflers for a deep powerful exterior sound with minimal interior tone and is suited for the enthusiast who wants their performance to be heard, just not inside the cab. The mandrel-bent tailpipes exit at an angle behind the rear wheels and are finished off with large 3.00-inch angle cut polished stainless tips for an aggressive look. 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. |
| Category | Exhaust |
| Description_FAB | Includes Hangers and Hardware for an Easy Installation |
| Clamping Type | U-Bolt |
| Description_FAB | Super 50 Series Performance Mufflers Eliminates Drone |
| 1882 | Yes |
| Description_FAB | Mandrel-bent 16-gauge Aluminized Steel Tubing |
| Emission Code | 5 |
| Description_FAB | Moderate to Aggressive Exterior Exhaust Tone |
| Exhaust Series | American Thunder |
| Description_FAB | Dyno Tuned for Maximum Performance |
| 9874 | Clamp-On |
| Description_FAB | Polished 3.00-inch Stainless Steel Tips |
| 9876 | Angled |
| Description_FAB | Includes H-pipe Assembly |
| 1162 | 3.00 |
| Description_ABR | SYS 64-72 CH |
| 9877 | Slash Cut |
| Description_SHO | SYS 64-72 CHEV EL CA |
| 1163 | Polished |
| Description_INV | 64-72 CHEV EL CAMINO/SPRINT AMT |
| 9881 | No |
| Description_ASC | Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine. |
| 10104 | 13.00 |
| Description_DES | Flowmaster American Thunder Crossmember-Back Exhaust System |
| 1164 | 304 Stainless Steel |
| Description_EXT | Fits 1964-1972 Chevrolet El Camino and GMC Sprint with V8 engine, 2.5" Aluminized pipes - Aggressive to moderate sound |
| 1161 | 2 |
| Description_MKT | For the person who is looking for a complete Crossmember-Back dual exhaust system with a moderately aggressive tone for their 1964 to 1972 Chevrolet/GMC El Camino/Sprint with a V8 engine. With easy fit in mind, these systems are constructed from 2.50-inch mandrel-bent aluminized steel with a built in H-pipe to equalized the exhaust pressures, eliminates backrap on deceleration and makes maximum power. The system includes a pair of specially selected Super 50 Series mufflers for a deep powerful exterior sound with minimal interior tone and is suited for the enthusiast who wants their performance to be heard, just not inside the cab. The mandrel-bent tailpipes exit at an angle behind the rear wheels and are finished off with large 3.00-inch angle cut polished stainless tips for an aggressive look. 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. |
| 9878 | No |
| Description_FAB | Includes Hangers and Hardware for an Easy Installation |
| 10980 | Round |
| Description_FAB | Super 50 Series Performance Mufflers Eliminates Drone |
| 9875 | Single Wall |
| Description_FAB | Mandrel-bent 16-gauge Aluminized Steel Tubing |
| 9870 | Dual Out Side |
| Description_FAB | Moderate to Aggressive Exterior Exhaust Tone |
| 200 | Aluminized |
| Description_FAB | Dyno Tuned for Maximum Performance |
| 353 | No |
| Description_FAB | Polished 3.00-inch Stainless Steel Tips |
| 3390 | Performance |
| Description_FAB | Includes H-pipe Assembly |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 2.50 |
| 596 | Weld-On |
| 9871 | 2.50 |
| 92 | Yes |
| 11021 | 5.00 |
| 11022 | 17.00 |
| 11023 | 10.00 |
| 11064 | Chambered |
| 11048 | 5.00 |
| 11049 | 17.00 |
| 11050 | 10.00 |
| 11073 | Chambered |
| 1892 | 17.00 |
| 4372 | Aluminized Steel |
| 4373 | Oval |
| 9882 | Black High-Temperature Paint Finish |
| 4367 | No |
| 4368 | No |
| Muffler Included | Yes |
| 9962 | Slip-Fit |
| 4365 | 2.50 |
| 4366 | 2.63 |
| 9963 | Slip-Fit |
| 4375 | 1 |
| Muffler Part Number | 52558 |
| 4374 | 2 |
| Muffler Series | Super 50 Series |
| 1174 | Chambered |
| part type | Exhaust System |
| 3530 | Aluminized Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive / Moderate |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 2.50 |
| 4376 | 2 |
| Tail Pipe Quantity | Dual |
| 4370 | No |
| Type | Crossmember-back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| Drive | 2WD |
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| 2874 | 0 |
| Category | Exhaust |
| Clamping Type | U-Bolt |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | American Thunder |
| 9874 | Clamp-On |
| 9876 | Angled |
| 1162 | 3.00 |
| 9877 | Slash Cut |
| 1163 | Polished |
| 9881 | No |
| 10104 | 13.00 |
| 1164 | 304 Stainless Steel |
| 1161 | 2 |
| 9878 | No |
| 10980 | Round |
| 9875 | Single Wall |
| 9870 | Dual Out Side |
| 200 | Aluminized |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 2.50 |
| 596 | Weld-On |
| 9871 | 2.50 |
| 92 | Yes |
| 11021 | 5.00 |
| 11022 | 17.00 |
| 11023 | 10.00 |
| 11064 | Chambered |
| 11048 | 5.00 |
| 11049 | 17.00 |
| 11050 | 10.00 |
| 11073 | Chambered |
| 1892 | 17.00 |
| 4372 | Aluminized Steel |
| 4373 | Oval |
| 9882 | Black High-Temperature Paint Finish |
| 4367 | No |
| 4368 | No |
| Muffler Included | Yes |
| 9962 | Slip-Fit |
| 4365 | 2.50 |
| 4366 | 2.63 |
| 9963 | Slip-Fit |
| 4375 | 1 |
| Muffler Part Number | 52558 |
| 4374 | 2 |
| Muffler Series | Super 50 Series |
| 1174 | Chambered |
| part type | Exhaust System |
| 3530 | Aluminized Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive / Moderate |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 2.50 |
| 4376 | 2 |
| Tail Pipe Quantity | Dual |
| 4370 | No |
| Type | Crossmember-back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| Drive | 2WD |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1964 | Chevrolet | El Camino | Base | |
| 1964 | Chevrolet | El Camino | Base | |
| 1965 | Chevrolet | El Camino | Base | |
| 1965 | Chevrolet | El Camino | Base | |
| 1966 | Chevrolet | El Camino | Base | |
| 1966 | Chevrolet | El Camino | Base | |
| 1966 | Chevrolet | El Camino | Base | |
| 1967 | Chevrolet | El Camino | Base | |
| 1967 | Chevrolet | El Camino | Base | |
| 1967 | Chevrolet | El Camino | Base | |
| 1968 | Chevrolet | El Camino | Base | |
| 1968 | Chevrolet | El Camino | Base | |
| 1968 | Chevrolet | El Camino | Base | |
| 1968 | Chevrolet | El Camino | Base | |
| 1969 | Chevrolet | El Camino | Base | |
| 1969 | Chevrolet | El Camino | Base | |
| 1969 | Chevrolet | El Camino | Base | |
| 1969 | Chevrolet | El Camino | Base | |
| 1970 | Chevrolet | El Camino | Base | |
| 1970 | Chevrolet | El Camino | Base | |
| 1970 | Chevrolet | El Camino | Base | |
| 1970 | Chevrolet | El Camino | Base | |
| 1970 | Chevrolet | El Camino | Base | |
| 1971 | Chevrolet | El Camino | Base | |
| 1971 | Chevrolet | El Camino | Base | |
| 1971 | Chevrolet | El Camino | Base | |
| 1971 | Chevrolet | El Camino | Base | |
| 1972 | Chevrolet | El Camino | Base | |
| 1972 | Chevrolet | El Camino | Base | |
| 1972 | Chevrolet | El Camino | Base | |
| 1972 | Chevrolet | El Camino | Base | |
| 1968 | Chevrolet | El Camino | Custom | |
| 1968 | Chevrolet | El Camino | Custom | |
| 1968 | Chevrolet | El Camino | Custom | |
| 1968 | Chevrolet | El Camino | Custom | |
| 1969 | Chevrolet | El Camino | Custom | |
| 1969 | Chevrolet | El Camino | Custom | |
| 1969 | Chevrolet | El Camino | Custom | |
| 1969 | Chevrolet | El Camino | Custom | |
| 1970 | Chevrolet | El Camino | Custom | |
| 1970 | Chevrolet | El Camino | Custom | |
| 1970 | Chevrolet | El Camino | Custom | |
| 1970 | Chevrolet | El Camino | Custom | |
| 1971 | Chevrolet | El Camino | Custom | |
| 1971 | Chevrolet | El Camino | Custom | |
| 1971 | Chevrolet | El Camino | Custom | |
| 1971 | Chevrolet | El Camino | Custom | |
| 1972 | Chevrolet | El Camino | Custom | |
| 1972 | Chevrolet | El Camino | Custom | |
| 1972 | Chevrolet | El Camino | Custom | |
| 1972 | Chevrolet | El Camino | Custom | |
| 1968 | Chevrolet | El Camino | SS | |
| 1969 | Chevrolet | El Camino | SS | |
| 1970 | Chevrolet | El Camino | SS | |
| 1970 | Chevrolet | El Camino | SS | |
| 1971 | Chevrolet | El Camino | SS | |
| 1971 | Chevrolet | El Camino | SS | |
| 1971 | Chevrolet | El Camino | SS | |
| 1972 | Chevrolet | El Camino | SS | |
| 1972 | Chevrolet | El Camino | SS | |
| 1972 | Chevrolet | El Camino | SS | |
| 1971 | GMC | Sprint | Base | |
| 1971 | GMC | Sprint | Base | |
| 1971 | GMC | Sprint | Base | |
| 1971 | GMC | Sprint | Base | |
| 1972 | GMC | Sprint | Base | |
| 1972 | GMC | Sprint | Base | |
| 1972 | GMC | Sprint | Base | |
| 1972 | GMC | Sprint | Base | |
| 1972 | GMC | Sprint | Custom | |
| 1972 | GMC | Sprint | Custom | |
| 1972 | GMC | Sprint | Custom |