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

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

Part Number: WLK-55614

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2025 if ordered today

• Drop Ship
• Oversize $44.99
• Special Order

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

Part Number: WLK-54899

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: CTO-9860

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Universal-Fit, 3-way, 2.250 in. Slip Fit Inlet/Outlet, 16.750 in. Overall Length, Chevy, Dodge, Ford, GMC, Jeep, Toyota, Each

Part Number: CTO-912005

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

AIR Check Valve, Chevy, GMC, Hummer, Each

Part Number: RNB-911-151

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

1999-02 Chevy/GMC 4.8L, 5.3L Truck (4WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl

Part Number: STW-CT9902

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

1999-02 Chevy/GMC 4.8L, 5.3L Truck (2WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl

Part Number: STW-CT99022WD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.625 in. Primaries, Pair

Part Number: STW-HFLS1163

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFLS7188

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Stainless Power, Long Tube, Stainless Steel, Natural, 1 7/8 in. Primary Tube O.D., Two Catalytic Converters, Round Port, Chevrolet, 6.2L, Kit

Part Number: STW-SCA11H3CATST

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Stainless Steel, 4-1 One-Piece, 1.750 in. Primary Tubes, 3.00 in. Collector, Chevy, Trailblazer, Pair

Part Number: STW-TB-SS

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

EXHAUST MANIFOLD

Part Number: NAL-12629723

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Special Order

Header Flanges, Mild Steel, .375 in. Thick, Chevy, Small Block, LS1/LS2/LS6/LS7, Each

Part Number: NAL-12480130

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Special Order

Headers, Specialty and Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: HED-68546

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, LS Swap, Mid-Length, Steel, Black Ceramic Coated, Chevrolet, GMC, Pair

Part Number: HED-69043

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Small Block LS, Pair

Part Number: HED-69680

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Street, Shorty, Steel, Silver Ceramic Coated, Cadillac, Chevy, GMC, Small Block LS, Pair

Part Number: HED-69686

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Specialty and Engine Swap, Mid-Length, Steel, Black Ceramic Coated, Chevrolet, GMC, Isuzu, Pair

Part Number: HED-69713

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Hot Rodz Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, GM, A/G Body, Pair

Part Number: HED-68026

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Super Street Series, Stainless Steel, Natural, Shorty, Chevy, Pair

Part Number: KOK-22501300

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Long Tube, Stainless Steel, Natural, Chevy, Pair

Part Number: KOK-22512410

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

X-Pipe, Exhaust, Stainless Steel, Natural, 3 in. Diameter, Each

Part Number: KOK-25103101

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, 6.0L, With EGR, Pair

Part Number: KOK-28501110

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.000 in. Port, Each

Part Number: KOK-7046-S2

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.750 in. Port, Each

Part Number: KOK-7046S

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order