Availability
2007 GMC Mufflers & Resonators
Walker Quiet-Flow SS Muffler
Part Number: WLK-21551
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 3 Inch Muffler 2578
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Walker Quiet-Flow SS Muffler
Part Number: WLK-53831
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 2 Inch Muffler 30028
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Walker Quiet-Flow SS Muffler
Part Number: WLK-21553
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 3 Inch Muffler 2579
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Muffler, OE Replacement, Steel, Aluminized, Cadillac, Chevy, GMC, Each
Part Number: APH-2306
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Mufflers, Direct-Fit, 2.50 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 24.00 in. Overall Length, Chevrolet, GMC, Each
Part Number: BRE-100-7196
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Walker Quiet-Flow SS Muffler Assembly
Part Number: WLK-53830
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 2 Inch Muffler 30029
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Mufflers, Muffler - CHALLENGE
Part Number: APH-2603
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Muffler, 2.50 in. Offset Inlet, 2.25 in. Center Outlet, 32.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each
Part Number: BRE-101-1209
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Resonator, Steel, Aluminized, 2.25 in. Inlet/Outlet, 60.75 in. Overall Length, GMC, Saturn, 3.6L, Each
Part Number: WLK-56230
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2583
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0L, Each
Part Number: APH-2556
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
SoundFX Mofle de escape
Part Number: WLK-27263
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Mufflers, Direct-Fit, Single Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Round Case, 60.00 in. Overall Length, Buick, Chevy, GMC, Isuzu, Each
Part Number: BRE-280-585
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Mufflers, Direct-Fit, Single Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Oval Case, 32.00 in. Overall Length, Chevrolet, GMC, Each
Part Number: BRE-100-7259
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, Pontiac, V6, Each
Part Number: APH-2577
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, Each
Part Number: APH-2406
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Isuzu, Each
Part Number: APH-2438
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 21481
Not Yet Reviewed
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster