GMC SIERRA 3500 HD Dynomax Performance Parts and Accessories

Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each

Part Number: WLK-17557

3.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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• $10 Summit Bucks

Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-53792

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• $10 Summit Bucks
• Special Order

Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-53791

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-55547

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Oversize $9.99
• $10 Summit Bucks
• Special Order