HUMMER H3 Exhaust

Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

07-12 Chevy Colorado, GMC Canyon, 07-08 Hummer H3, Isuzu I-370, 5 cyl., 3.7L Engine, Front

Part Number: CTO-1226

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Direct Fit, Aluminized Steel, Ceramic, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: RNB-674-989

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Stainless Steel Case, 2.25 in. Slip Fit Inlet/Outlet, 12.250 in. Overall Length, Chevy, Chrysler, Ford, GMC, Isuzu, Toyota, Each

Part Number: APH-608415

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Universal, 2.25 in. Inlet, 2.25 in. Outlet, 12.25 in. Length, 4.00 in. Thick, 5.00 in. Width, Federal, Each

Part Number: CTO-2575R

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Exhaust System, Touring, Stainless Steel, Hummer, 3.7L, Kit

Part Number: CSE-14212

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

California Direct-Fit Catalytic Converter

Part Number: MPE-4593612

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84804

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84725

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84801

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 51.13 in. Overall Length, Right, Chevrolet, GMC, Hummer, 5.3L, Each

Part Number: APH-645180

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust System, Sport, Cat-Back, Stainless Steel, Hummer, 3.5, 3.7L, Kit

Part Number: CSE-14212BLK

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Stainless Steel, Chevy, GMC, 2.8, 3.5L, Each

Part Number: CTO-9216

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Chevrolet, GMC, Hummer, Each

Part Number: WLK-16481

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Direct Fit, Stainless Steel Case, Chevy, GMC, Hummer, 5.3L, Each

Part Number: CTO-9550

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: APH-641338

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 58.50 in. Overall Length, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: APH-645852

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

AIR Check Valve, Chevy, GMC, Hummer, Each

Part Number: RNB-911-151

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: RNB-674-785

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Manifold, Catalytic Converter, Driver Side, Cast Iron, Natural, Chevy, GMC, Hummer, 3.5L, Each

Part Number: RNB-674-703

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Manifold Converter

Part Number: RNB-673-9891

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Manifold Converter, Manifold Converter - Not CARB Compliant

Part Number: RNB-674-294

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

AIR Injection Bypass Valve, A.I.R. Diverter Valve, Cast Aluminum, Natural, Chevy, GMC, Hummer, Each

Part Number: SMP-DV143

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Rear Position, 48.250 in. Overall Length, Hummer, Isuzu, 3.7L, Each

Part Number: MPE-5592966

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

×