LCGP 4" Inlet Diesel Exhaust Muffler with Clamp, 4'' Inlet & Outlet Universal Resonator, 30'' Overall Length Stainless Steel Mufflers, Straight Through Design, welded On Muffler Resonator

Featuring a high flow 4" spiral louvered core, it will fit most 4" performance exhaust systems. With over TRIPLE the sound canceling packing, this is the muffler you want to tame that diesel drone.

Donaldson exhaust mufflers are designed and tested to meet specific performance requirements for on-and-off-road applications in heavy-duty diesel-powered equipment.

From Filter-Back, Cat-Back to Turbo-Back, buy the best diesel exhaust system for your specific truck or car. Search by year, make, model, sub-model and engine size to find your compatible …

TOTALFLOW mufflers feature a straight through, perforated 409 stainless steel core wrapped with stainless steel mesh acoustic material, making it the ideal mufflers for your next custom …

Find Cat Back dual exhaust kits, downpipes, manifolds, headers and more for your Powerstroke, Duramax or SuperDuty diesel truck. Get FREE shipping and low prices at Sinister Diesel …

MagnaFlow Diesel Performance mufflers are 100% stainless steel and lap-joint welded. They feature a free-flowing, straight-through large diameter, perforated stainless steel core, …

MagnaFlow Diesel Performance mufflers are 100% stainless steel and lap-joint welded for solid construction and rugged reliability even in the most extreme conditions.

MBRP Quiet Tone Series diesel high-flow mufflers take the overall exhaust note to a dull rumble without cutting the power. These mufflers are designed as direct replacements for most 4 in. …

Give your truck a custom exhaust tone with the MBRP Universal 4" Quiet Tone Muffler. Featuring a dual core technology that provides optimal flow, in conjunction with superior sound …