GMC SIERRA 1500 Kooks Headers Parts and Accessories

Exhaust System Kit, 1-7/8" Header and Catted Connection Kit. 2019+ GM 1500 Series Truck 6.2L.

Part Number: KOK-2863H420

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and GREEN Connection Kit. 2014-2018 GM 1500 Series Truck 5.3L.

Part Number: KOK-2860H430

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust Pipes, Y- Pipe, 3.00 in., Stainless Steel, Green Catted, For Use With Kooks Headers, Chevrolet, GMC, 5.3L, Each

Part Number: KOK-28623300

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Y-Pipe, Exhaust, Stainless Steel, Natural, 3 in. Inlet/Outlet, Catalytic Converters, Chevy, GMC, 6.2L, Kit

Part Number: KOK-28613300

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Estimated Ship Date: Jan 30, 2026 if ordered today

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3 1/2" GREEN Catted Y Pipe OEM Outlet with Flange. Stainless Steel.

Part Number: KOK-28563300

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Exhaust, Y-Pipe, Stainless Steel, Natural, 3.00 in. Outlet, Catalytic Converters, with Kooks Green Cat, Chevy, GMC, V8, Each

Part Number: KOK-28553300

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Exhaust Pipes, Y- Pipe, 3.00 in., Stainless Steel, Catted, For Use With Kooks Headers, Chevrolet, GMC, 5.3L, Each

Part Number: KOK-28623200

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Headers, Long Tube, Long Tube, Stainless Steel, Natural, 1 3/4 in. Tube, 3.00 in. Collector, Y-pipe, Catted, Chevy, GMC, 6.2L Gen V, Pair

Part Number: KOK-2863H300

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and GREEN Connection Kit. 2019+ GM 1500 Series Truck 6.2L.

Part Number: KOK-2863H430

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and Catted Connection Kit. 2007-2008 GM 1500 Series 4.8L/5.3L/6.0L

Part Number: KOK-2853H420

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and GREEN Connection Kit. 2007-2008 GM 1500 Series 4.8L/5.3L/6.0L

Part Number: KOK-2853H430

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-3/4" Header and Catted Connection Kit. 1999-2006 GM 1500 Series 4.8L/5.3L.

Part Number: KOK-2851H220

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Estimated Ship Date: Feb 5, 2026 if ordered today

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3 1/2" GREEN Catted Y Pipe OEM Outlet. Stainless Steel.

Part Number: KOK-28543300

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-3/4" Header and GREEN Connection Kit. 2014-2018 GM 1500 Series Truck 6.2L.

Part Number: KOK-2861H230

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and Catted Connection Kit. 2014-2018 GM 1500 Series Truck 6.2L.

Part Number: KOK-2861H420

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Free Shipping
• Special Order

Exhaust System Kit, 1-7/8" Header and GREEN Connection Kit. 2014-2018 GM 1500 Series Truck 6.2L.

Part Number: KOK-2861H430

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Free Shipping
• Special Order

Exhaust Pipes, Y- Pipe, 3.00 in., Stainless Steel, Catted, For Use With Kooks Headers, Chevrolet, GMC, 6.2L, Each

Part Number: KOK-28633200

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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• Special Order

Exhaust Pipes, Y- Pipe, 3.00 in., Stainless Steel, Green Catted, For Use With Kooks Headers, Chevrolet, GMC, 6.2L, Each

Part Number: KOK-28633300

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and Catted Connection Kit. 2019+ GM 1500 Series Truck 5.3L.

Part Number: KOK-2862H420

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and GREEN Connection Kit. 2019+ GM 1500 Series Truck 5.3L.

Part Number: KOK-2862H430

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-7/8" Header and GREEN Dual Connection Kit. 2001-2006 GM 1500 Series 6.0L

Part Number: KOK-2852H430

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Estimated Ship Date: Jan 30, 2026 if ordered today

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3" GREEN Catted Y Pipe OEM Outlet. Stainless Steel.

Part Number: KOK-28533300

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Exhaust System Kit, 1-3/4" Header and Catted Connection Kit. 2007-2008 GM 1500 Series 4.8L/5.3L/6.0L

Part Number: KOK-2853H220

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

• Free Shipping
• Special Order

Exhaust System Kit, 1-3/4" Header and GREEN Connection Kit. 2007-2008 GM 1500 Series 4.8L/5.3L/6.0L

Part Number: KOK-2853H230

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

• Free Shipping
• Special Order

Exhaust System Kit, 1-3/4" Header and Catted Connection Kit. 2014-2018 GM 1500 Series Truck 5.3L.

Part Number: KOK-2860H220

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

• Free Shipping
• Special Order