HUMMER H3 Exhaust

Exhaust Clamp, Band-Style, Lap Joint, Stainless Steel, 2.500 in. Diameter, Each

Part Number: WLK-33226

4.68 out of 5 stars ( 87 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug Boot Protector, Heat Shield, 500 degrees F, Snap-on, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: ADO-8006

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each

Part Number: WLK-93238

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $20.00 Summit Bucks

Shield, Starter, Heat Protection, Stock Replacement, Bolt-On, Buick, Cadillac, Chevrolet, GMC, Hummer, Car, Truck, Each

Part Number: ADO-12668713

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54480

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Dec 8, 2025 if ordered today

• Oversize $7.99
• $20.00 Summit Bucks
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84801

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84803

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

Walker Resonator Assembly

Part Number: WLK-56234

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Oversize $10.99
• $20.00 Summit Bucks
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84725

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

CalCat CARB Catalytic Converter

Part Number: WLK-84804

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

Ultra EPA Manifold Converter

Part Number: WLK-14649

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• 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: Dec 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

Exhaust Manifold, With Converter, Stainless Steel, Ceramic Coated, Chevy, GMC, Hummer, Each

Part Number: WLK-16578

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

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

Part Number: WLK-54874

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• $20.00 Summit Bucks
• Special Order

Check Valve, A.I.R., Aluminum, Natural, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: ADO-214-2123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order