Kooks 1-7/8" Stainless Headers. 2014+ GM 1500 Series Truck / 2015+ SUV 5.3L/6.2L.
Kooks / Exhaust Headers

Kooks GM 1500 5.3 / 6.2 Long Tube Headers | 28602402

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£1,623.44 VAT included. Shipping calculated for your destination.

Available to Order

Not sure which one? Ask us to confirm fitment first →
Delivery, customs and taxes Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

High value order, handled personally

We confirm build spec, lead time and delivery arrangements with you before any money moves. Prefer to talk it through first?

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Technical specifications
Specification Details
SKU 28602402
Application Supported 2014+ GM 1500 trucks / 2015+ SUVs, 5.3L / 6.2L
Material 304 stainless steel
Collectors 3"
Head interface Oval ports; stock bolt pattern; 3/8" laser-cut flanges
Included SS-755897 gaskets; BK113 header bolts; BK114 ball-and-socket kit
Required connection Matching Kooks Y-pipe, separate

Upgrade the headers on your GM V8

Upgrade your GM truck or SUV with stainless long tube headers and 3" collectors. Pair them with the Kooks Y-pipe for your engine, model year and rear exhaust to complete the front system.

SKU: 28602402

Fitting parts included

The headers use oval ports, the stock bolt pattern and 3/8" laser-cut flanges. SS-755897 gaskets and BK113 / BK114 fitting kits are included.

Choose the Y-pipe for your own vehicle

The required Kooks Y-pipe varies with the engine, model years and OEM rear outlet. Choose the exact matching pipe for your truck or SUV to complete the long tube conversion.

Tuning for your exhaust upgrade

We recommend tuning with every header installation so the calibration suits your new headers, complete exhaust and fuel. Talk to us to discuss the right tuning route for your vehicle.

Vehicle fitment

Years Vehicle / trim Engine Applicable SKU Fitting conditions
2015-2020 Cadillac Escalade ESV Platinum 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade ESV Base 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade ESV Premium 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade ESV Luxury 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2017-2020 Cadillac Escalade ESV Premium Luxury 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade Luxury 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade Base 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Cadillac Escalade Platinum 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2017 Cadillac Escalade Premium 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2017-2020 Cadillac Escalade Premium Luxury 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 Cadillac Escalade 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Chevrolet Suburban LS 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Chevrolet Suburban LT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2016 Chevrolet Suburban LTZ 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2017-2020 Chevrolet Suburban Premier 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2020 Chevrolet Suburban Premier 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 Chevrolet Suburban 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 Chevrolet Suburban 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 LTZ 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 High Country 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 LT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 WT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 LTZ 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 Chevrolet Silverado 1500 High Country 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2018 Chevrolet Silverado 1500 LS 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2016-2023 Chevrolet Silverado 1500 Custom 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2024 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2024 Chevrolet Silverado 1500 Custom Trail Boss 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2024 Chevrolet Silverado 1500 RST 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2020-2024 Chevrolet Silverado 1500 RST 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Chevrolet Tahoe LS 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 Chevrolet Tahoe LT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2016 Chevrolet Tahoe LTZ 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2016-2017 Chevrolet Tahoe Z71 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2017-2020 Chevrolet Tahoe Premier 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2018-2020 Chevrolet Tahoe Premier 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2018 Chevrolet Tahoe Midnight Edition 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 Chevrolet Tahoe 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 GMC Yukon XL Denali 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 GMC Yukon XL SLE 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 GMC Yukon XL SLT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2020 GMC Yukon XL SLT 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 GMC Yukon XL 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 GMC Yukon XL 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 GMC Sierra 1500 SLT 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 GMC Sierra 1500 SLT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 GMC Sierra 1500 Denali 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2024 GMC Sierra 1500 Denali 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2021 GMC Sierra 1500 SLE 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2014-2021 GMC Sierra 1500 Base 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2024 GMC Sierra 1500 AT4 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2024 GMC Sierra 1500 Elevation 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2021 GMC Sierra 1500 AT4 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2023 GMC Yukon Denali 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 GMC Yukon SLE 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2015-2020 GMC Yukon SLT 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2019-2020 GMC Yukon SLT 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 GMC Yukon 6.2L V8 28602402 Engine-specific Y-pipe and OEM rear outlet
2021-2023 GMC Yukon 5.3L V8 28602402 Engine-specific Y-pipe and OEM rear outlet

Intended use

28602402: Competition, off-road and track use only. Not for use on public roads.

The competition-use waiver applies to 28602402.

Ordering and delivery

Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.

Technical specifications

Specification Details
SKU 28602402
Application Supported 2014+ GM 1500 trucks / 2015+ SUVs, 5.3L / 6.2L
Material 304 stainless steel
Collectors 3"
Head interface Oval ports; stock bolt pattern; 3/8" laser-cut flanges
Included SS-755897 gaskets; BK113 header bolts; BK114 ball-and-socket kit
Required connection Matching Kooks Y-pipe, separate

Frequently asked questions

Can I use the same Y-pipe for a 5.3 and a 6.2?

Choose the exact engine-specific connection and OEM rear outlet. The header application alone does not establish the Y-pipe fit.

Are gaskets supplied?

Yes. The listed gasket and bolt kits are included.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment first

Check fit before you order

Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.

Check vehicle fitment
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

Contact us
See other parts for this route
Kooks GM 1500 5.3 / 6.2 Long Tube Headers | 28602402
Kooks GM 1500 5.3 / 6.2 Long Tube Headers | 286024021-7/8"
Available to Order £1,623.44