Hooker Aero Chamber Muffler - 3 in Center Inlet - 3 in Center Outlet - 10-1/4 x 4-3/4 in Oval Body - 14 in Long Weatherstripping & Rubber Details Grand National Hub Kit includes

Grand National Hub Kit includes bearings

1 in NPT Aluminum Fitting / Steel Bung

Does not fit Hybrid

3 in Width

and a fuel-specific lines

Hooker Aero Chamber Muffler - 3 in Center Inlet - 3 in Center Outlet - 10-1/4 x 4-3/4 in Oval Body - 14 in Long Weatherstripping & Rubber Details Grand National Hub Kit includesHooker Headers Aero Chamber Muffler 21506HKR Universal Turbo Style Black Finish 4. 75 in. H x 10. 25 in. W x 14 in. L 3 in.. ID 3 in. OD Center Inlet Single Center Outlet All Aluminized Stainless Steel Deep Throaty Powerful Sound Aerodynamically Design 23 percent More Flow Than Others More Horsepower And Torque Sound Absorption Chamber Stepped Acceleration Chamber Hooker holds to its claim of the winningest header in drag racing history. Hooker still