AFE 59-00012 4-3/8" x 4-1/8" Magnum Force Reducing Coupler Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2001 we focus on perfecting the

we focus on perfecting the complete System”taking the extra steps that our competitors ignore while they rush to release new products

Welded On Hanger

The polished-stainless Monster muffler features a straight-through 4 inch diameter flow-path with a Banks-designed expansion chamber to dissipate the annoying mid-range exhaust drone that affects most straight-through designs

5 Inch Axle-Back Single Rear with Mirror Polished Tip

Factory Style Replacement

AFE 59-00012 4-3/8" x 4-1/8" Magnum Force Reducing Coupler Chevrolet-Silverado-2500-6-6L-Duramax-LB7-2001 we focus on perfecting theThe AFE 59 00012 4 3 8" x 4 1 8" Magnum Force Reducing Coupler is the perfect solution to those building their own custom intake system, or just repairing a torn boot on your existing intake. The polyurethane reducer coupler is designed to connect to a 4 3 8OD tube with a 4 1 8" OD and is 2 1 4" long. The polyurethane construction is designed to meet modern elevated engine compartment temperatures with a reaction injection molded (RIM) polyurethane