GMC K2500 Mufflers

Muffler, 40 Series, 2 1/2 in. Offset Inlet, 2 1/2 in. Offset Outlet, Chambered, Steel, Black, Each

Part Number: FLO-42543

4.9 out of 5 stars ( 42 )

Estimated Ship Date: Today

Muffler, FlowFX Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71236

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Today

Muffler, American Thunder 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-43043

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

Muffler, Super Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17748

4.59 out of 5 stars ( 29 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Super Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17749

4.75 out of 5 stars ( 32 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, FlowFX Series, 3 in. Inlet/2.5 in. Outlets, Stainless Steel, Natural, Each

Part Number: FLO-72198

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Today

Muffler, Super Turbo, 3 in. Inlet/3 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17698

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Super 40 Series, Oval, Stainless, Single Center 3.0 in. Inlet, Dual Offset 2.5 in. Outlets, Each

Part Number: FLO-8530452

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Muffler, American Thunder 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-430402

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21400

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2589

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pontiac, Each

Part Number: WLK-21784

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Quiet-Flow 3, 3 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22719

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Super Turbo, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17674

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2579

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, Direct Fit, SoundFX, Steel, Aluminized, 2.50 in. Inlet, 2.25 in. Outlet, Chevy, GMC, Each

Part Number: WLK-18274

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18177

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2568

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2 3/4 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21046

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• $20.00 Summit Bucks
• Special Order

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18906

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22512

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• $20.00 Summit Bucks
• Special Order

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-18216

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• $20.00 Summit Bucks
• Special Order

Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Cadillac, Chevrolet, GMC, Each

Part Number: APH-700258

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21910

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• $20.00 Summit Bucks
• Special Order