Flowmaster HP-2 Series Muffler - 2.5" Inlet, 2.5" Outlet - 18" Case - 409S H761C01M ARP shafts are made of

ARP shafts are made of top quality aerospace chrome moly and have an increased body diameter

big blocks and blown marine engines

Package of 4

03 in Thick

Flowmaster HP-2 Series Muffler - 2.5" Inlet, 2.5" Outlet - 18" Case - 409S H761C01M ARP shafts are made ofConstructed 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.