Kooks GM 1500 / SUV 6.2L Header and Y-Pipe Kits

Make more of the V8 in your truck or SUV

Bring a matched Kooks header and Y-pipe upgrade to your 6.2-litre GM. These kits pair 1-7/8" long tube headers with a 3" Y-pipe, finishing at the 3-1/2" OEM rear interface. Choose Performance or GREEN cats for the listed 2014-2018 trucks and 2015-2020 SUVs.

SKUs: 2861H420, 2861H430

Choose around the engine you use

Both packages use the same primary size and rear connection. The Performance-catted 2861H420 is for naturally aspirated engines, while GREEN-catted 2861H430 supports forced induction. That is a useful choice if a supercharger is fitted or planned.

Keep the rear exhaust you already enjoy

The 3-1/2" OEM rear outlet joins a compatible factory-style rear system. You can upgrade the headers and front pipework together while keeping the cat-back you already like.

Choose your configuration

Tuning for your exhaust upgrade

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

Vehicle fitment

Intended use

2861H420: Competition, off-road and track use only. Not for use on public roads.

Ordering and delivery

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