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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.
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Not sure which one? Ask us to confirm fitment first →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.
Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.
We confirm build spec, lead time and delivery arrangements with you before any money moves. Prefer to talk it through first?
| Specification | Details |
|---|---|
| SKU | 28573100 |
| Applications | GM 1500 trucks: listed 2011-2013 applications; SUVs: listed 2011-2014 applications; 6.2L engines |
| Material | 16-gauge 304 stainless steel |
| Inlet / OEM outlet | 3" / 3-1/2" |
| Header joint | Ball-and-socket; Kooks long tube headers required |
| Cats | None; Competition Only |
| Fitting parts | Clamps included; OEM rear hardware reused |
Complete the front exhaust on your 2011-2013 GM truck or 2011-2014 SUV with this Kooks 6.2-litre Competition Only Y-pipe. The uncatted 3-inch pipework transitions to the 3-1/2-inch OEM rear connection. Choose the exact model and trim in the vehicle table.
SKU: 28573100
The 16-gauge 304 stainless Y-pipe requires matching Kooks long tube headers. It does not connect to the factory manifolds.
Fitting clamps are included. The rear joint reuses the OEM exhaust hardware, giving you a defined connection route to the retained rear system.
| Years | Vehicle / trim | Engine | Applicable SKU | Fitting conditions |
|---|---|---|---|---|
| 2011-2014 | Cadillac Escalade ESV Premium | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade ESV Base | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade ESV Luxury | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade ESV Platinum | 6.2L V8 | 28573100 | |
| 2011-2013 | Cadillac Escalade EXT Base | 6.2L V8 | 28573100 | |
| 2011-2013 | Cadillac Escalade EXT Premium | 6.2L V8 | 28573100 | |
| 2011-2013 | Cadillac Escalade EXT Luxury | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade Platinum | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade Premium | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade Luxury | 6.2L V8 | 28573100 | |
| 2011-2014 | Cadillac Escalade Base | 6.2L V8 | 28573100 | |
| 2011-2013 | Chevrolet Silverado 1500 LTZ | 6.2L V8 | 28573100 | |
| 2011-2013 | Chevrolet Silverado 1500 LT | 6.2L V8 | 28573100 | |
| 2011-2013 | GMC Sierra 1500 Denali | 6.2L V8 | 28573100 | |
| 2011-2013 | GMC Sierra 1500 SLE | 6.2L V8 | 28573100 | |
| 2011-2013 | GMC Sierra 1500 SLT | 6.2L V8 | 28573100 | |
| 2011-2014 | GMC Yukon Denali | 6.2L V8 | 28573100 | |
| 2011-2014 | GMC Yukon XL 1500 Denali | 6.2L V8 | 28573100 | |
| 2011-2014 | GMC Yukon XL 1500 SLT | 6.2L V8 | 28573100 |
28573100: Competition, off-road and track use only. Not for use on public roads.
The competition-use waiver applies to 28573100.
Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.
| Specification | Details |
|---|---|
| SKU | 28573100 |
| Applications | GM 1500 trucks: listed 2011-2013 applications; SUVs: listed 2011-2014 applications; 6.2L engines |
| Material | 16-gauge 304 stainless steel |
| Inlet / OEM outlet | 3" / 3-1/2" |
| Header joint | Ball-and-socket; Kooks long tube headers required |
| Cats | None; Competition Only |
| Fitting parts | Clamps included; OEM rear hardware reused |
No. The front joints require the matching Kooks long tube headers.
The front pipework is 3"; the OEM rear outlet is 3-1/2".
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.
Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.
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.
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.