GMC SIERRA 2500 Exhaust

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Heat Protection, Spark Plug Boot Heat Shields, Straight, Aluminum, Natural, 2 3/8 in. Long, LS, Set of 8

Part Number: SUM-889511

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Exhaust Tip, Round, Clamp-on, Stainless, Polished, 3.0 in. Inlet i.d., 4.0 in. Outlet, 12 .0 in. Length, Rolled Edge, Single Wall, Each

Part Number: WLK-36474

4.6 out of 5 stars ( 62 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• $10 Summit Bucks

Exhaust Manifold Bolts, Steel, Zinc Plated, 8mm x 1.25 Thread Size, Cadillac, Chevy, Chrysler, Jeep, Set of 12

Part Number: RNB-03413

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Muffler, Turbo, 3.00 in. Offset Inlet/3.00 in. Center Outlet, 19 in. Length, Steel, Aluminized, Each

Part Number: IMM-16833CB

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83509

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Exhaust, Cat-Back, 3.00 inch, Passenger Side Exit, Steel, Aluminized, Chevy, GMC, 4.3, 4.8, 5.3L, Kit

Part Number: SUM-685710

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: WLK-83482

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Oversize $54.99

Exhaust Manifold Hardware, Bolts, Stainless Steel, Natural, 8mm x 1.25, 30mm Length, Cadillac, Chrysler, Chevy, Dodge, GMC, Set of 12

Part Number: RNB-03413HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Exhaust Pipe Reducer, 3 in. ID To 2.5 in. OD, Length 6 in., Aluminum, Each

Part Number: WLK-41974

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Exhaust Clamp, Band Clamp, Stainless Steel, 2.50 in. Pipe Diameter, Each

Part Number: WLK-36438

4.93 out of 5 stars ( 27 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99209HM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Exhaust Manifold Hardware, Black, Steel, Chevrolet, 5.7L, Kit

Part Number: FEL-ES75120

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Exhaust System, Cat-Back, Stainless Steel, Natural, Chrome Stainless Tip, Chevy/GMC, 4.3, 4.8, 5.3L, Kit

Part Number: JBA-40-3009

3.73 out of 5 stars ( 11 )

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
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• Special Order

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Black, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: WLK-21533

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Muffler, Vortex, 3.000 in. Inlet/3.000 in. Outlet, Steel, Gray Aluminized, Each

Part Number: IMM-88105CB

3.92 out of 5 stars ( 24 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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: Monday 4/20/2026 if shipped by air

• Free Shipping

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Air Pump Check Valve, Secondary Air Injection Pump Check Valve, Steel, Black, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-AV56

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Headers, Shorty, Steel, Silver Ceramic Coated, Chevy, GMC, Pair

Part Number: BIG-31142FLT

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping