Flowmaster HP-2 Series Muffler - 2" Inlet, 2" Outlet - 18" Case - 409S 57650BK 1-1/2 in Height

1-1/2 in Height

Fuel injected engines: E85 up to 2380 FWHP - naturally aspirated up to 1820 FWHP - forced air induction

resulting in increased front downforce

To combat the extreme conditions that wires face under the hood

Blue / Red Anodized

Flowmaster HP-2 Series Muffler - 2" Inlet, 2" Outlet - 18" Case - 409S 57650BK 1-1/2 in HeightConstructed with an 18" long, painted 409S outer shell, and 409 Internal components. Available in 2. 00", 2. 25", and 2. 50" inlet outlet sizes. The 409S 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 409S HP 2 mufflers feature a painted 409S outer shell, and 409S internal construction. Available in 2. 00, 2. 25, and 2.