Fits 1967-1972 Chevrolet/GMC K10, K15/K1500, K20, K25/K2500 4WD Trucks with V8 Engines, 2.50" 409 Stainless Steel
This Flowmaster American Thunder dual exhaust system is specifically designed for 1967-1972 Chevrolet and GMC K10, K15/K1500, K20, and K25/K2500 4wd trucks with V8 engines. The system is perfect for the person looking for an aggressive to moderate interior and exterior sound level. Starting at the Crossmember-Back, the exhaust comes complete with a built-in H-pipe crossover for better exhaust scavenging, all mandrel-bent 2.50-inch stainless steel tubing, a pair of Super 44 Series performance mufflers, and your choice of three tailpipe exits (Turndown behind rear tires, side exit behind rear tires, or straight out the back under the bumper). The system includes all hardware necessary for installation and is covered by our Lifetime Limited Warranty. Fits both short and long wheelbase trucks.
- Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options
- 16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength
- Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level
- Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style
- Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance
- H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone
- Includes Hangers and Hardware for Installation
- Lifetime Limited Warranty
Information:
Manifold down pipes and header reducers not included. Fits both long and short bed trucks.
Application Summary:
| Year |
Make/Model |
| 1967-1972 |
Chevrolet K10 Pickup |
| 1967-1972 |
Chevrolet K20 Pickup |
| 1967-1972 |
GMC K15/K1500 Pickup |
| 1967-1972 |
GMC K25/K2500 Pickup |
| Attributes |
| Brand |
Flowmaster |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| Catalytic Converter Quantity |
Not Included |
| Category |
Exhaust, Exhaust |
| Clamping Type |
Flat Band, Flat Band |
| Clamps Included |
Yes, Yes |
| Country of Origin (Primary) |
US |
| Emission Code |
5, 5 |
| Exhaust Series |
American Thunder, American Thunder |
| Exhaust Tip Quantity |
Sold Separately |
| Exhaust Type |
Crossmember Back |
| Exit Position |
Dual Side Rear, DOR/S |
| Finish |
Natural, Natural |
| Gasket Or Seal Included |
No, No |
| Grade Type |
Performance, Performance |
| Hangers Included |
Yes, Yes |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Heat Shield |
No |
| Heat Shield Included |
No, No |
| Inlet Type |
Weld-On, Weld-On |
| Life Cycle Status Code |
Available to Order |
| Main Piping Diameter |
2-1/2 |
| Material |
409 Stainless Steel |
| Mount Type |
Uses New Hangers (Included), Uses New Hangers (Included) |
| Mounting Bracket Included |
Yes, Yes |
| Muffler (Left) Body Length |
13.25 |
| Muffler (Left) Body Width |
9.50 |
| Muffler (Right) Body Length |
13.25 |
| Muffler (Right) Body Width |
9.50 |
| Muffler Body Height |
4.00 |
| Muffler Body Length |
13.25, 13.25 |
| Muffler Body Length (in) |
13.5 |
| Muffler Body Material |
409 Stainless Steel, 409 Stainless Steel |
| Muffler Body Shape |
Oval, Oval |
| Muffler Body Width |
9.50 |
| Muffler Color |
Black, Black |
| Muffler Flanged Inlet |
No, No |
| Muffler Flanged Outlet |
No, No |
| Muffler Included |
Yes |
| Muffler Inlet Diameter |
2.50 |
| Muffler Inlet Diameter (in) |
2.5 |
| Muffler Inlet Inside Diameter |
2.50, 2.50 |
| Muffler Inlet Location |
Offset, Offset |
| Muffler Inlet Outside Diameter |
2.63, 2.63 |
| Muffler Material |
409S Stainless Steel, 409 Stainless Steel |
| Muffler Outlet Diameter |
2.50, 2.50 |
| Muffler Outlet Diameter (in) |
2.5 |
| Muffler Outlet Quantity |
1, 1 |
| Muffler Overall Length |
19.50, 19.50 |
| Muffler Overall Length (in) |
19.5 |
| Muffler Part Number |
Kit Only, Kit Only |
| Muffler Quantity |
2, 2 |
| Muffler Series |
Super 44, Super 44 |
| Muffler Shape |
Oval |
| Muffler Type |
Reflection, Reflection |
| NAFTA Preference Criterion Code |
B |
| part type |
Exhaust System Kit, Exhaust System |
| Pipe Color |
Silver, Silver |
| Pipe Material |
409 Stainless Steel, 409 Stainless Steel |
| Product Type |
Exhaust System, Exhaust System |
| Sale Category |
Exhaust |
| SDR Required Flag |
N |
| Series |
American Thunder Exhaust Systems |
| Single Dual |
Dual |
| Sound Level |
Aggressive / Moderate, Aggressive / Moderate |
| Spring Bolt Kit Included |
No, No |
| Sub Category |
Exhaust and Tail Pipes, Exhaust and Tail Pipes |
| Subcategory |
Complete Exhaust Kits |
| System Type |
Crossmember-back |
| Tail Pipe Outlet Outside Diameter |
2.50, 2.50 |
| Tail Pipe Quantity |
2, Dual |
| Tail Pipe Tapered Outlet |
No, No |
| Tip Shape |
Round |
| Tip Style |
Not Included |
| Tubing Diameter |
2.500 in, 2.50 |
| Tubing Diameter (IN) |
2.5 |
| Tubing Material |
409S Stainless Steel, 409 Stainless Steel |
| Type |
Crossmember-back |
| Valve Included |
No, No |
| Valve Type |
Not Applicable, Not Applicable |
| Warning |
California Proposition 65, California Proposition 65 |
| GTIN |
00090127117200 |
