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Call Now 715-254-2307

Owner, Gary Nilsen, will answer your diesel parts question when you call.

EXH - 2.5"

***Remember*** to order Qty. 2 Stacks with each Dual Stack installkit. 1 Reducer & clamp-Pipe sizes 3.5" or less.

Questions? Call 800-872-1944

Grand Rock Dual Stack Installation Kit Universal T-Pipe Bed Kit for 4" Stacks with 4" OD base

Grand Rock

DPU-4SK

$685.50 $520.66
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Grand Rock Dual T-Pipe Installation Kit for 4" Stacks with 4" OD base. Complete Kit - All Hardware Included Everything but the Stacks Mandrel-Bent Aluminized steel exhaust pipes are 4" diameter. Fits Stacks with 4" OD base. Stack Mounting Clamps and...
Chrome 4" Straight Cut Flat Top Stack 4" x 48" with 4" OD Base

Grand Rock

S4-48SBC

$169.81
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Chrome 4" Straight Cut Flat Top Stack 4" x 48" with 4" OD Base Grand Rock Stacks Made To Order Our chrome parts are first metal-finished to near perfection - all marks and flaws in the steel tubing are removed, then receive these two plating processes...