CHEVROLET Chevy small block Gen III/IV (LS-based engines) Exhaust

Catalytic Converter, CalCat Direct-Fit, Stainless Steel, Ceramic Honeycomb, Chevy, GMC, Each

Part Number: WLK-83481

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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: Tomorrow

Exhaust Flange,Spilt 3-Bolt, Steel, Natural, 2.125 in. Diameter, Each

Part Number: APH-9188

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Headers, Clippster, Mid-Length, Steel, Natural, Chevy, GMC, LS Swap, Pair

Part Number: PTE-H8087

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, 2009-13 Chevy Avalanche, 2009-13 Chevy GMC Silverado/Sierra 1500 8 cyl., 4.8L and 5.3L Engine, Each

Part Number: CTO-9912

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Stainless Steel, Natural, 2.00 in. Tube, 3.00 in. Collector, Chevrolet, Pair

Part Number: KOK-21612601

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Headers, Long Tube One-piece, Steel, Black Ceramic Coated, Round Port, Chevrolet, Small Block LS, Pair

Part Number: DOU-D3348-B

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Header Bolts, Hex Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Black, Chevy, LS Engine, Set of 12

Part Number: SUM-910232

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Estimated Ship Date: Tomorrow

Patriot Headers H8080-1 1 3/4" 4-Tube Replacement Header for GM E-Rod LS Engine Swaps Bolts Directly to the E-

Part Number: PTE-H8080-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Exhaust System, Blackheart, Crossmember Back, 409 Stainless, Natural, 2.5 in. Diameter, Dual Exit, Engine Swap, Chevy, GMC, Kit

Part Number: HOK-BH14345

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Exhaust System, Blackheart, Header-Back, 3.0 in., Dual, Underbody, Stainless Steel, Natural, with Turbo Mufflers, Chevy, Pontiac, V8, Kit

Part Number: HOK-70501319RHKR

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Headers, Mid-length, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: DOU-D3350

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Exhaust Manifold, Blackheart LS Swap, Cast Iron, Black Ceramic Coated, Rear Dump, Universal, Pair

Part Number: HOK-8505-3HKR

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Headers, Block Hugger, Steel, Silver Ceramic Coated, Round Port, Street Rod, Chevy Small Block LS, Pair

Part Number: BIG-11706-1FLT

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Intermediate Pipe, 2.5 in., Stainless Steel, Gaskets, Hardware, Chevy/Pontiac, Camaro/Firebird, LS Swap, Kit

Part Number: HOK-42107HKR

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Exhaust Manifolds, Blackheart, Shorty, LS Swap, 1 3/4 in. Primaries, 2 1/2 in. Outlet, Cast Stainless Steel, Polished, w/Hware/Gaskets, Universal,Pair

Part Number: HOK-8503-1HKR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Exhaust X-Pipe, Stainless Steel, 2.50 in. Diameter, Chevy, Each

Part Number: CSE-14330

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Exhaust Manifold, Blackheart, LS Swap, Cast Iron, Black Ceramic Coated, Rear Dump, Pair

Part Number: HOK-8506-3HKR

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Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843-1FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Scavenger Series Elite, Long Tube, Stainless, Polished Ceramic Coated, Chevy, LS Engine, Pair

Part Number: FLO-814116

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Exhaust Hanger, Clamp-on, Steel, Natural, 4 in. Pipe Diameter, Chevy, Ford, GMC, Each

Part Number: WLK-36409

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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Catalytic Converter, Direct Fit, Stainless Case, Ceramic Substrate, Cadillac, Chevy, GMC, Each

Part Number: FLO-2010019

4.62 out of 5 stars ( 77 )

Estimated Ship Date: Tomorrow

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Header Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Chevy LS, Ford 4.0L, Set of 12

Part Number: SUM-910123

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow