Flowmaster HP-2 Series Muffler - 2.5" Inlet, 2.5" Outlet - 18" Case - 304S 54116661 Great for restoration

Great for restoration

3-10 Valve

2 3/4" and 2 7/8" I

4 was developed with the value minded racer in mind

Meets FIA compliance for competition eligibility

Flowmaster HP-2 Series Muffler - 2.5" Inlet, 2.5" Outlet - 18" Case - 304S 54116661 Great for restorationConstructed with an 18" long, polishable 304S outer shell, and 409S internal components. Available in 2. 00", 2. 25", and 2. 50" inlet outlet sizes. The 304S HP 2 mufflers have a case length of 18 inches and a 4. 00 X 5. 50 inch width. Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle. The 304S HP 2 mufflers feature a ready to polish 304S outer shell, and 409S stainless steel internal construction.