Flowmaster 4" x 5" x 12" Oval Super HP-2 Muffler, 2.5" Center/Center 2014-2023 GMC Sierra 1500
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Flowmaster 4" x 12" x 5" Oval Super HP-2 Muffler, 2.5" Center/Center
*Fits: Universal Fit, 2014-2021 GMC Sierra 1500
Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow mufflers, now in a sleek styling.
- Deep, Aggressive Sound
- 409 Stainless Steel Construction
- Dyno Tuned For Maximum Performance
- Laminar Flow Technology
- Inlet Diameter: 2.5"
- Outlet Diameter: 2.5"
- Inlet Position: Center
- Outlet Position: Center
- Case Size/Shape: 4"H x 5"W x 12"L Oval
- Overall Length: 18"
- Automotive Item Grade: High Performance
- Color/Finish: Black/Paint
- Sound Level: Aggressive
Note: This muffler is NOT reversible
Warranty Information (opens in new tab): Click HERE
Part Number: 12512409
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