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.
Complete the front exhaust on your Trailblazer SS
The LS2 gives your Trailblazer SS much of its appeal. These Kooks Y-pipes finish a matching header conversion and join the OEM rear exhaust, with a choice of Performance cats or uncatted Competition Only pipework.
SKUs: 27203100, 27203200
Keep the rear system you already have
Both stainless choices use 3" front pipework and an OEM rear outlet. Matching Kooks long tube headers are required.
Choose the catalyst for the build
27203200 supplies Performance-catted connections for naturally aspirated engines. 27203100 is the uncatted Competition Only arrangement for competition use.
Choose your configuration
| SKU | Configuration | Supplied arrangement | Fitting / engine conditions |
|---|---|---|---|
| 27203100 | Cat Type: Comp. Only | 3" uncatted Y-pipe to OEM rear exhaust. | Uncatted; competition use |
| 27203200 | Cat Type: Performance Cats | 3" Performance-catted Y-pipe to OEM rear exhaust; naturally aspirated only. | Naturally aspirated only |
Vehicle fitment
| Years | Vehicle / trim | Engine | Applicable SKU | Fitting conditions |
|---|---|---|---|---|
| 2006-2009 | Chevrolet Trailblazer SS | 6.0L V8 | 27203100 | |
| 2006-2009 | Chevrolet Trailblazer SS | 6.0L V8 | 27203200 | Performance cats: naturally aspirated only |
Intended use
27203100, 27203200: Competition, off-road and track use only. Not for use on public roads.
The competition-use waiver applies to 27203100.
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 |
|---|---|
| SKUs | 27203100, 27203200 |
| Application | 2006-2009 Chevrolet Trailblazer SS LS2 6.0L |
| Material | 304 stainless steel |
| Front / rear interface | 3" / OEM outlet |
| Required headers | Matching Kooks long tube headers |
| 27203200 condition | Performance cats; naturally aspirated only |
Frequently asked questions
Can I retain the factory rear exhaust?
Yes. Both options connect to the OEM rear interface.
Do these fit the original manifolds?
The Y-pipes require matching Kooks long tube headers.
