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Upgrade your early C6 with the right matched kit
Enjoy a proper front exhaust upgrade on your early C6 with Kooks long tube headers and a matching X-pipe. These are the 2005-2008 packages for the supported LS2/LS3 applications, with a 2-1/2" OEM-style rear connection and a choice of header size and catalyst.
SKUs: 2160H221, 2160H421, 2160H431
Choose the early-car connection kit
The 1-3/4" and 1-7/8" headers use 3" collectors. Their supplied X-pipes transition to the 2-1/2" rear interface. The later 2009-2013 LS3 kits are separate products, so choose this early-C6 set by model year as well as engine capacity.
Three useful combinations
Choose 1-3/4" Performance, 1-7/8" Performance or 1-7/8" GREEN. The Performance cats are for naturally aspirated engines. GREEN is the catted choice here if you are running or planning forced induction.
Choose your configuration
| SKU | Configuration | Supplied arrangement | Fitting / engine conditions |
|---|---|---|---|
| 2160H221 | Header Size: 1-3/4"; Cat Type: Performance Cats; Model Year: 2005-2008 | 1-3/4" headers; Performance Cats front connections | Naturally aspirated only |
| 2160H421 | Header Size: 1-7/8"; Cat Type: Performance Cats; Model Year: 2005-2008 | 1-7/8" headers; Performance Cats front connections | Naturally aspirated only |
| 2160H431 | Header Size: 1-7/8"; Cat Type: GREEN Cats; Model Year: 2005-2008 | 1-7/8" headers; GREEN Cats front connections | Use the SKU-specific vehicle rows below |
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 |
|---|---|---|---|---|
| 2005-2007 | Chevrolet Corvette Base | 6.0L V8 | 2160H221, 2160H421, 2160H431 | |
| 2008 | Chevrolet Corvette Base | 6.2L V8 | 2160H221, 2160H421, 2160H431 |
Intended use
2160H221, 2160H421: 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 |
|---|---|
| SKUs | 2160H221, 2160H421, 2160H431 |
| Application | 2005-2008 C6, supported LS2 6.0L / LS3 6.2L years |
| Material | 304 stainless steel |
| Primary choices | 1-3/4" Performance; 1-7/8" Performance or GREEN |
| Collectors | 3" |
| Rear interface | 2-1/2" OEM-style exhaust |
| Performance condition | Naturally aspirated only |
Frequently asked questions
Will these kits cover a 2010 Grand Sport?
Choose the separate 2009-2013 LS3 kits for that application. These SKUs use the 2005-2008 installation.
Is the catted X-pipe included?
Yes. Each package supplies the headers and its matched X-pipe.
