Flowmaster American Thunder Crossmember-Back Exhaust System - 817409
Secure Checkout
Shop by Categories
Secure Checkout
Specifications:
| 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 |
| 2874 | 0 |
| Category | Exhaust |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | American Thunder |
| 9874 | Clamp-On |
| 1161 | 0 |
| Exhaust Tip Quantity | Sold Separately |
| 10980 | Round |
| 9870 | Dual Out Rear |
| 200 | Natural |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 2.50 |
| 596 | Weld-On |
| 92 | Yes |
| 11021 | 5.00 |
| 11022 | 13.50 |
| 11023 | 10.00 |
| 11064 | Chambered |
| 11048 | 5.00 |
| 11049 | 13.50 |
| 11050 | 10.00 |
| 11073 | Chambered |
| 9884 | 5.00 |
| 1892 | 13.50 |
| 4372 | 409 Stainless 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 | Kit Only |
| 4374 | 2 |
| Muffler Series | Super 40 Series |
| 1174 | Chambered |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 2.50 |
| 4376 | 2 |
| Tail Pipe Quantity | Dual |
| 4370 | No |
| 9871 | 2.50 |
| Type | Crossmember-back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| Drive | 2WD |
| 9885 | 10.00 |
| 11906 | No |
| Description_ABR | SYS 68-72 GM |
| Description_SHO | SYS 68-72 GM A-BODY |
| Description_INV | 6872 GM ABODY 25 AMT DOR 409S |
| Description_ASC | Fits 1968-1972 GM A-Bodies with V8 engine. |
| Description_DES | Flowmaster American Thunder Crossmember-Back Exhaust System |
| Description_EXT | Fits 1968-1972 GM A-Bodies with V8 engine. 2.50-inch Stainless Steel Pipes. - Aggressive sound |
| Description_MKT | This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1968-1972 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at a slight angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty. |
| Description_FAB | H-pipe Crossover for Maximum Power and Deep Tone Super 40 Series Mufflers for Deep Powerful Sound Mandrel-bent 16-gauge Stainless Steel Tubing Includes Hangers and Hardware for Installation Aggressive Exterior Exhaust Tone Crossmember-Back True Dual Exhaust System Does Not Include Header Reducers or Downpipes for Factory Manifolds Lifetime Limited Warranty |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1970 | Buick | GS | Base | |
| 1971 | Buick | GS | Base | |
| 1972 | Buick | GS | Base | |
| 1968 | Buick | GS 350 | Base | |
| 1969 | Buick | GS 350 | Base | |
| 1968 | Buick | GS 400 | Base | |
| 1969 | Buick | GS 400 | Base | |
| 1970 | Buick | GS 455 | Base | |
| 1971 | Buick | GS 455 | Base | |
| 1972 | Buick | GS 455 | Base | |
| 1970 | Buick | GS 455 | GSX | |
| 1970,1972 | Buick | Skylark | 350 | |
| 1968 | Buick | Skylark | Base | |
| 1968 | Buick | Skylark | Base | |
| 1969 | Buick | Skylark | Base | |
| 1970 | Buick | Skylark | Base | |
| 1970 | Buick | Skylark | Base | |
| 1971 | Buick | Skylark | Base | |
| 1971 | Buick | Skylark | Base | |
| 1972 | Buick | Skylark | Base | |
| 1968 | Buick | Skylark | Custom | |
| 1968 | Buick | Skylark | Custom | |
| 1969 | Buick | Skylark | Custom | |
| 1970 | Buick | Skylark | Custom | |
| 1970 | Buick | Skylark | Custom | |
| 1971 | Buick | Skylark | Custom | |
| 1971 | Buick | Skylark | Custom | |
| 1972 | Buick | Skylark | Custom | |
| 1968 | Buick | Special | Base | |
| 1969 | Buick | Special | Base | |
| 1968 | Buick | Sportwagon | Base | |
| 1968 | Buick | Sportwagon | Base | |
| 1969 | Buick | Sportwagon | Base | |
| 1969 | Buick | Sportwagon | Base | |
| 1970 | Buick | Sportwagon | Base | |
| 1970 | Buick | Sportwagon | Base | |
| 1971 | Buick | Sportwagon | Base | |
| 1972 | Buick | Sportwagon | Base | |
| 1968 | Buick | Sportwagon | Custom | |
| 1968 | Buick | Sportwagon | Custom | |
| 1969 | Buick | Sportwagon | Custom | |
| 1969 | Buick | Sportwagon | Custom | |
| 1968 | Chevrolet | Chevelle | 300 | |
| 1968 | Chevrolet | Chevelle | 300 | |
| 1968 | Chevrolet | Chevelle | 300 Deluxe | |
| 1968 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1969 | Chevrolet | Chevelle | 300 Deluxe | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1970 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1971 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1972 | Chevrolet | Chevelle | Base | |
| 1968 | Chevrolet | Chevelle | Concours | |
| 1968 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1970 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1971 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1972 | Chevrolet | Chevelle | Concours | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1969 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1970 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1971 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1972 | Chevrolet | Chevelle | Concours Estate | |
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1969 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1970 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1972 | Chevrolet | Chevelle | Greenbrier | |
| 1971 | Chevrolet | Chevelle | Heavy Chevy | |
| 1971 | Chevrolet | Chevelle | Heavy Chevy | |
| 1971 | Chevrolet | Chevelle | Heavy Chevy | |
| 1972 | Chevrolet | Chevelle | Heavy Chevy | |
| 1972 | Chevrolet | Chevelle | Heavy Chevy | |
| 1972 | Chevrolet | Chevelle | Heavy Chevy | |
| 1968 | Chevrolet | Chevelle | Malibu | |
| 1968 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1969 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1970 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1971 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1972 | Chevrolet | Chevelle | Malibu | |
| 1968 | Chevrolet | Chevelle | Nomad | |
| 1968 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1969 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1970 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1971 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1972 | Chevrolet | Chevelle | Nomad | |
| 1968 | Chevrolet | Chevelle | Nomad Custom | |
| 1968 | Chevrolet | Chevelle | Nomad Custom | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1971 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1972 | Chevrolet | Chevelle | SS | |
| 1968 | Chevrolet | Chevelle | SS 396 | |
| 1969 | Chevrolet | Chevelle | SS 396 | |
| 1970 | Chevrolet | Chevelle | SS 396 | |
| 1970 | Chevrolet | Chevelle | SS 454 | |
| 1968 | 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 | |
| 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 | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1970 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1971 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 1972 | Chevrolet | Monte Carlo | Base | |
| 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 | |
| 1972 | GMC | Sprint | Custom | |
| 1968 | Oldsmobile | 442 | Base | |
| 1968 | Oldsmobile | 442 | Base | |
| 1969 | Oldsmobile | 442 | Base | |
| 1969 | Oldsmobile | 442 | Base | |
| 1970 | Oldsmobile | 442 | Base | |
| 1971 | Oldsmobile | 442 | Base | |
| 1968 | Oldsmobile | Cutlass | Base | |
| 1968 | Oldsmobile | Cutlass | Base | |
| 1969 | Oldsmobile | Cutlass | Base | |
| 1970 | Oldsmobile | Cutlass | Base | |
| 1970 | Oldsmobile | Cutlass | Base | |
| 1971 | Oldsmobile | Cutlass | Base | |
| 1971 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Base | |
| 1972 | Oldsmobile | Cutlass | Cruiser | |
| 1972 | Oldsmobile | Cutlass | Cruiser | |
| 1968,1971 | Oldsmobile | Cutlass | S | |
| 1971 | Oldsmobile | Cutlass | S | |
| 1972 | Oldsmobile | Cutlass | S | |
| 1972 | Oldsmobile | Cutlass | S | |
| 1968 | Oldsmobile | Cutlass Supreme | Base | |
| 1969 | Oldsmobile | Cutlass Supreme | Base | |
| 1970 | Oldsmobile | Cutlass Supreme | Base | |
| 1971 | Oldsmobile | Cutlass Supreme | Base | |
| 1971 | Oldsmobile | Cutlass Supreme | Base | |
| 1972 | Oldsmobile | Cutlass Supreme | Base | |
| 1972 | Oldsmobile | Cutlass Supreme | Base | |
| 1968 | Oldsmobile | F85 | Base | |
| 1969 | Oldsmobile | F85 | Base | |
| 1970 | Oldsmobile | F85 | Base | |
| 1970 | Oldsmobile | F85 | Base | |
| 1971 | Oldsmobile | F85 | Base | |
| 1972 | Oldsmobile | F85 | Base | |
| 1972 | Oldsmobile | F85 | Base | |
| 1968 | Oldsmobile | Vista Cruiser | Base | |
| 1968 | Oldsmobile | Vista Cruiser | Base | |
| 1969 | Oldsmobile | Vista Cruiser | Base | |
| 1969 | Oldsmobile | Vista Cruiser | Base | |
| 1970 | Oldsmobile | Vista Cruiser | Base | |
| 1970 | Oldsmobile | Vista Cruiser | Base | |
| 1971 | Oldsmobile | Vista Cruiser | Base | |
| 1971 | Oldsmobile | Vista Cruiser | Base | |
| 1972 | Oldsmobile | Vista Cruiser | Base | |
| 1972 | Oldsmobile | Vista Cruiser | Base | |
| 1968 | Pontiac | Beaumont | Base | |
| 1968 | Pontiac | Beaumont | Base | |
| 1968 | Pontiac | Beaumont | Base | |
| 1968 | Pontiac | Beaumont | Base | |
| 1969 | Pontiac | Beaumont | Base | |
| 1969 | Pontiac | Beaumont | Base | |
| 1969 | Pontiac | Beaumont | Base | |
| 1969 | Pontiac | Grand Prix | Base | |
| 1969 | Pontiac | Grand Prix | Base | |
| 1970 | Pontiac | Grand Prix | Base | |
| 1970 | Pontiac | Grand Prix | Base | |
| 1971 | Pontiac | Grand Prix | Base | |
| 1971 | Pontiac | Grand Prix | Base | |
| 1972 | Pontiac | Grand Prix | Base | |
| 1972 | Pontiac | Grand Prix | Base | |
| 1968 | Pontiac | GTO | Base | |
| 1969 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | Base | |
| 1971 | Pontiac | GTO | Base | |
| 1971 | Pontiac | GTO | Base | |
| 1972 | Pontiac | GTO | Base | |
| 1972 | Pontiac | GTO | Base | |
| 1970 | Pontiac | GTO | The Judge | |
| 1970 | Pontiac | GTO | The Judge | |
| 1971 | Pontiac | GTO | The Judge | |
| 1968 | Pontiac | LeMans | Base | |
| 1968 | Pontiac | LeMans | Base | |
| 1969 | Pontiac | LeMans | Base | |
| 1969 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1970 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1971 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Base | |
| 1972 | Pontiac | LeMans | Luxury | |
| 1972 | Pontiac | LeMans | Luxury | |
| 1969 | Pontiac | LeMans | Safari | |
| 1969 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Safari | |
| 1970 | Pontiac | LeMans | Sport | |
| 1970 | Pontiac | LeMans | Sport | |
| 1970 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | Sport | |
| 1972 | Pontiac | LeMans | Sport | |
| 1971 | Pontiac | LeMans | T37 | |
| 1971 | Pontiac | LeMans | T37 | |
| 1971 | Pontiac | LeMans | T37 | |
| 1968 | Pontiac | Tempest | Base | |
| 1968 | Pontiac | Tempest | Base | |
| 1969 | Pontiac | Tempest | Base | |
| 1969 | Pontiac | Tempest | Base | |
| 1970 | Pontiac | Tempest | Base | |
| 1970 | Pontiac | Tempest | Base | |
| 1968 | Pontiac | Tempest | Custom | |
| 1968 | Pontiac | Tempest | Custom | |
| 1969 | Pontiac | Tempest | Custom | |
| 1969 | Pontiac | Tempest | Custom | |
| 1970 | Pontiac | Tempest | GT | |
| 1970 | Pontiac | Tempest | GT | |
| 1968 | Pontiac | Tempest | Safari | |
| 1968 | Pontiac | Tempest | Safari | |
| 1969 | Pontiac | Tempest | Safari | |
| 1969 | Pontiac | Tempest | Safari |
Please read the policy below to familiarize yourself with how we operate.
Please verify the part number that you are ordering before you place your order. If a part is ordered incorrectly by the customer and then returned, the customer will be responsible for all shipping charges and will be subject to a 20% restocking fee. We cannot be held responsible for manufacturer misinformation. If we messed up the order, then of course, we will take care of it. An RGA number must be requested within 7 days of receipt of the product by the customer. Returns must be received within 30 days of the initial purchase. We do not accept returns after 30 days. If an RGA is requested after 7 days of receiving the product then only an in-store credit will be issued. We do not refund shipping costs.
At Offroad Trading Company, we are committed to providing high-quality products and ensuring customer satisfaction. It does not matter if it is a Jeep, Truck, Bronco or any other 4x4 vehicle, our extensive experience and deep understanding of the off-road industry enable us to offer products that meet the highest standards of quality and performance. Choosing Offroad Trading Company means choosing a partner who is as passionate about off-roading as you are.