MBRP Cat Back Exhaust System Dual Split Side T409 Stainless Steel For 09-13 Silverado/Sierra 1500 4.8/5.3/6.0L RC/Extended Cab/Crew Cab S5056409 fuel system Wall Type: Dual Wall
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MBRP Cat Back Exhaust System Dual Split Side T409 Stainless Steel For 09 13 Silverado Sierra 1500 4.8 5.3 6.0L RC Extended Cab Crew Cab S5056409 fuel system Wall Type: Dual Wall Wall Type: Dual Wall Its louvered core reduces unwanted drone and smooths out exhaust notes without cutting power