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

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

Part Number: WLK-50572

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Headers, LS Engine Swap Black Maxx, Mid-length, Steel, Black Ceramic Coated, Round Port, 3.00 in. Collector, Chevy, Pontiac, Small Block LS, Pair

Part Number: HED-68723

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel, 48.00 in. Length, Chevy, GMC, Each

Part Number: CTO-9860

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, Blackheart, Long Tube, Steel, Silver Ceramic Coated, Buick, Chevy, GMC, Oldsmobile, Pontiac, LS Swap, Pair

Part Number: HOK-701015181HKR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair

Part Number: DOU-D3343-B

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Estimated Ship Date: Dec 1, 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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Estimated Ship Date: Tomorrow

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Exhaust System, Blackheart LS Swap, 409 Stainless Steel, Natural, Header-Back, Underbody, 3.00 in., Chevrolet, GMC, Kit

Part Number: HOK-705014152RHK

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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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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: Dec 2, 2025 if ordered today

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Check Valve, AMC, BMW, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: SMP-AV7

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Headers, Hot Rodz Engine Swap, GM LS, Mid-Length, Steel, Temporary Paint, Chevy, GMC, Pair

Part Number: HED-69710

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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Headers, Scavenger Series Elite, Shorty, Stainless, Polished Ceramic Coated, Cadillac, Chevy, GMC, Hummer, Pair

Part Number: FLO-814123

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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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 Manifolds, Turbo, Ductile Iron, Black Ceramic, 3.0 in. Turbo Outlet/2.25 in. Crossover Connection, Chevrolet LS, Gen III/Gen IV, Pair

Part Number: HOK-8510-3HKR

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

Exhaust System, Blackheart, Header-Back, 3.00 in. Dual, Split Rear, Stainless Steel, Natural, with Perforated Tube Mufflers, Chevy, GMC, V8, Kit

Part Number: HOK-70501417RHKR

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 26, 2025 if ordered today

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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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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, Performance Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Chevy, LS Swap, Pair

Part Number: STW-LSS10C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Headers, BlackHeart, Shorty, 304 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, LS, Pair

Part Number: HOK-70301410RHKR

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Headers, Blackheart, Shorty, Stainless Steel, Natural, Chevy, Pair

Part Number: HOK-70301303RHKR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each

Part Number: KOK-7046AS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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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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