JEGS Part Number: 289-39499Cat-Back Exhaust System
Dynomax 39499 - Dynomax Bolt-On Exhaust Systems for Truck/SUV Details
Fits: Silverado/Sierra 1500 4.8L, 5.3L Engines - Extended Cab, Standard Bed, Crew Cab, Short Bed (143.5" W.B.)
Great Performance, Great Sound, Great Price! All Dynomax systems are true bolt-ons, designed to attach directly to existing mounting points for an easy installation. They follow OE routing and feature top-of-the-line performance mufflers, mandrel-bent pipes for smooth exhaust flow, and all-aluminized materials for longevity and better appearance. Dynomax SS Exhaust Systems are made completely from stainless steel. Each kit is dyno proven to make more horsepower & torque. Free flowing Ultra Flo Welded mufflers and mandrel bent tubing increase performance & fuel efficiency.
Dynomax Ultra Flo Welded systems feature a stainless 100% welded muffler that uses straight-through design that ensures unrestricted air flow and reduces back pressure. These systems have a deep performance tone.
Dynomax Ultra Flo systems feature a seamed, un-welded, 100% polished stainless muffler that uses same straight-through design of the Ultro Flo Welded systems. These systems have a deep performance tone and will support up to 1,900 horsepower.
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