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Ships within 48 hours ยท Estimated delivery Aug 15 - Aug 20
๐ Dyno Chart
STEP 5:ย Fold towel into fourths and wipe down surface
Xtreme Sound Level - Part Number 21012ย Replaces part number (14959 & 14959BLK)
***Does not increase sound level
Valve Open vs Closed
Sport / 3.0 in Cat-Back SSE 4.0 in Twin Tips | 2019-2025 Silverado Sierra, Denali 5.3L 147WB (21030) flow_109 ๐ Dyno ChartVEHICLE FITMENT 2019 2025 Chevrolet Silverado 1500 5. 3L V8 Crew Cab, Short Bed 147. 5" Wheelbase Double Cab, Standard Bed 147. 5" Wheelbase *May not fit vehicles with Factory Equipped Mud Flaps 2019 2025 GMC Sierra 1500 5. 3L V8 Crew Cab, Short Bed 147. 5" Wheelbase Double Cab, Standard Bed 147. 5" Wheelbase *May not fit vehicles with Factory Equipped Mud Flaps 2019 2025 GMC Sierra Denali 1500 5. 3L V8 Crew Cab, Short Bed 147. 5" Wheelbase Double
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