1998 GMC Mufflers

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

Part Number: WLK-17748

4.6 out of 5 stars ( 30 )

Estimated Ship Date: Today

Muffler, Salute, Oval, 3.000 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2198

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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, 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, 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

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

Walker Quiet-Flow SS Muffler

Part Number: WLK-21405

5.0 out of 5 stars ( 2 )

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: Feb 16, 2026 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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 35.63 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18829

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, SoundFX, 2.000 in. Inlet/Outlet, Oval, Steel, Aluminized, Chevy, GMC, Cadillac, Each

Part Number: WLK-18985

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, SoundFX, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, 2 Door, Chevy, GMC, Each

Part Number: WLK-18461

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 24.00 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: WLK-18913

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 26.000 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-18805

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: WLK-21339

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers, Direct-Fit, 2.25 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 32.75 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: BRE-100-5338

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers-SoundFX

Part Number: WLK-18988

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 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: Feb 10, 2026 if ordered today

• Drop Ship
• Special Order

Mufflers-SoundFX

Part Number: WLK-18989

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, Pro, 3.000 in. Inlet/2.500 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7421CB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: APH-2452

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

• Drop Ship
• Special Order