GMC Mufflers

Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-527504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: WLK-18823

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 5.3L, Each

Part Number: APH-2549

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: APH-700303

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Direct Fit, SoundFX, Oval, Steel, Aluminized, Chevy, GMC, 4.3L, Each

Part Number: WLK-18934

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Special Order

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: Oct 15, 2025 if ordered today

• Drop Ship
• 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: Oct 14, 2025 if ordered today

• Drop Ship
• Special Order

Mufflers, Direct-Fit, 2.75 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-5334

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: WLK-21356

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 15, 2025 if ordered today

• Drop Ship
• Special Order

Mufflers, MSL Maximum, Oval Case, Steel, Aluminized, 21.780 in. Overall Length, Rear Muffler, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: APH-700345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Tru-Fit Series, Steel, Aluminized, 2.75 in. Inlet/2.75 in. Outlet, Each

Part Number: WLK-18138

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Special Order

Mufflers, OE Replacement, Steel, Aluminized, Round Case, Chevrolet, GMC, Each

Part Number: APH-54227

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Walker Quiet-Flow SS Muffler

Part Number: WLK-21482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 31.38 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18941

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: WLK-22779

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2115

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Oldsmobile, Each

Part Number: APH-2304

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: APH-700292

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, MSL, Chevy, GMC, Oldsmobile, Each

Part Number: APH-700150

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Chevy, GMC, Each

Part Number: WLK-21759

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700158

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2303

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2191

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, SoundFX, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-18269

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Special Order

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2320

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Special Order