Kooks 1-7/8" Stainless Headers & Catted OEM Connection Pipes. 2006-2010 Jeep SRT8 6.1L
Kooks / Header Kits

Kooks Grand Cherokee SRT8 6.1 Header Kit (2006-2010) | 3400H420

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£3,381.26 VAT included. Shipping calculated for your destination.

Available to Order

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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.

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Technical specifications
Specification Details
SKU 3400H420
Application 2006-2010 Jeep Grand Cherokee SRT8 6.1L V8
Material 304 stainless steel
Headers 1-7/8" primaries; 3" collectors
Connections Performance-catted; 3" pipework
Rear outlet 3" OEM
Catalyst condition Naturally aspirated only

Upgrade your SRT8 headers and front connections together

Pair your 6.1-litre Grand Cherokee SRT8 with Kooks stainless long tube headers and matching Performance-catted connections. This combined kit joins the 3" OEM rear exhaust, upgrading the front system while retaining a compatible cat-back.

SKU: 3400H420

The full front conversion in one purchase

The 1-7/8" primaries feed 3" collectors and the supplied 3" catted connections. Both the header sizing and rear connection are specified for the 2006-2010 SRT8 6.1 application.

For a naturally aspirated HEMI

The supplied Performance cats are specified for naturally aspirated use. If your 6.1 has a supercharger or turbocharger, choose a catalyst arrangement suitable for that setup rather than treating all catted kits as interchangeable.

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

Years Vehicle / trim Engine Applicable SKU Fitting conditions
2006-2010 Jeep Grand Cherokee SRT8 6.1L V8 3400H420

Intended use

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.

Technical specifications

Specification Details
SKU 3400H420
Application 2006-2010 Jeep Grand Cherokee SRT8 6.1L V8
Material 304 stainless steel
Headers 1-7/8" primaries; 3" collectors
Connections Performance-catted; 3" pipework
Rear outlet 3" OEM
Catalyst condition Naturally aspirated only

Frequently asked questions

Is this for the later 6.4-litre Jeep?

This is the 2006-2010 6.1-litre SRT8 package.

Does it include the catted pipes?

Yes. The headers and Performance-catted front connections are supplied together.

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 Grand Cherokee SRT8 6.1 Header Kit (2006-2010) | 3400H420
Kooks Grand Cherokee SRT8 6.1 Header Kit (2006-2010) | 3400H420Performance Cats
Available to Order £3,381.26