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

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: Today

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: Oct 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Silver Ceramic Coated, Chevy LS Swap, Pair

Part Number: SNH-LS14-SEC

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Free Shipping
• Special Order

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

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

Part Number: SUM-910232

Not Yet Reviewed

Estimated Ship Date: Today

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

Headers, Shorty, 304 Stainless Steel, Polished, 1 5/8 in. Primary, 3/8 in. Flange, Chevy, LS Swap, Pair

Part Number: BIG-11579FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: WLK-83481

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, LS Turbo, Forward and Up, Stainless Steel, Silver Ceramic Coated, 3.00 in. Collector Diameter, Round Port, Chevrolet, Small Block LS, Pair

Part Number: BIG-31537FLT

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

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

Part Number: DOU-D3348-B

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: KOK-21612601

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Free Shipping

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: Today

Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair

Part Number: VPE-14332

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

COMBO Hooker Natural Finish LS Manifold and crossover 4l60/4l80, Kit

Part Number: CMB-05-0172

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Headers, Long Tube, Stainless Steel, Natural, 1.875 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-22412400

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

• Free Shipping
• Special Order

Headers, Long Tube, Steel, Ceramic Coated, Chevy, Pontiac, Chevy, Small Block, LS1, Pair

Part Number: BBK-16940

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

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

Part Number: HOK-8506-3HKR

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Headers, Shorty, Steel, Titanium ceramic, Cadillac, Chevy, GMC, 4.8, 5.3L, Pair

Part Number: BBK-4005

3.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping