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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.
Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.
| Specification | Details |
|---|---|
| SKUs | 31003100, 31003200, 31003300 |
| Vehicle engine | 5.7L HEMI; individual vehicle years below |
| Material | 304 stainless steel |
| Front / OEM outlet | 3" / 2-1/2" |
| Required headers | Matching Kooks headers |
| Choices | 31003100 Competition Only; 31003200 Performance; 31003300 GREEN |
| 31003200 engine condition | Naturally aspirated only |
These Kooks front connections take matching headers to the factory-style rear exhaust on your 5.7 HEMI car. Choose Competition Only, Performance or GREEN connections, with 3" front tubing and 2-1/2" OEM rear outlets.
SKUs: 31003100, 31003200, 31003300
The OEM-size outlets let you retain a compatible rear system while changing the headers and front pipes together. Each configuration requires matching Kooks headers.
Performance SKU 31003200 is for naturally aspirated use. 31003300 supplies GREEN cats and 31003100 is uncatted Competition Only. The individual Charger, Challenger, Magnum and Chrysler rows below identify the years.
| SKU | Configuration | Supplied arrangement | Fitting / engine conditions |
|---|---|---|---|
| 31003100 | Outlet Type: OEM R/T (2.5"); Cat Type: Comp. Only; Includes EPS: No | 3" uncatted pipes to 2-1/2" OEM rear outlets. | Uncatted; competition use |
| 31003200 | Outlet Type: OEM R/T (2.5"); Cat Type: Performance Cats; Includes EPS: No | 3" Performance-catted pipes to 2-1/2" OEM outlets; naturally aspirated only. | Naturally aspirated only |
| 31003300 | Outlet Type: OEM R/T (2.5"); Cat Type: GREEN Cats; Includes EPS: No | 3" GREEN-catted pipes to 2-1/2" OEM rear outlets. | Match the vehicle and engine rows below |
For the 2005-2008 rear-wheel-drive Charger, Magnum or Chrysler 300C 5.7, the early RWD 5.7 headers provide a matching 3-inch front joint. Later 5.7 applications need their own exact header selection.
| Years | Vehicle / trim | Engine | Applicable SKU | Fitting conditions |
|---|---|---|---|---|
| 2005-2020 | Chrysler 300 C | 5.7L V8 | 31003100, 31003300 | |
| 2005-2020 | Chrysler 300 C | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2010-2023 | Chrysler 300 S | 5.7L V8 | 31003100, 31003300 | |
| 2010-2023 | Chrysler 300 S | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2013-2014 | Chrysler 300 C Luxury | 5.7L V8 | 31003100, 31003300 | |
| 2013-2014 | Chrysler 300 C Luxury | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2015-2017 | Chrysler 300 C Platinum | 5.7L V8 | 31003100, 31003300 | |
| 2015-2017 | Chrysler 300 C Platinum | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2009-2015 | Dodge Challenger R/T | 5.7L V8 | 31003100, 31003300 | |
| 2009-2015 | Dodge Challenger R/T | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2012 | Dodge Challenger R/T Classic | 5.7L V8 | 31003100, 31003300 | |
| 2012 | Dodge Challenger R/T Classic | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2015 | Dodge Challenger R/T Plus | 5.7L V8 | 31003100, 31003300 | |
| 2015 | Dodge Challenger R/T Plus | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2006-2023 | Dodge Charger R/T | 5.7L V8 | 31003100, 31003300 | |
| 2006-2023 | Dodge Charger R/T | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2006 | Dodge Charger Daytona R/T | 5.7L V8 | 31003100, 31003300 | |
| 2006 | Dodge Charger Daytona R/T | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2008-2013 | Dodge Charger SE | 5.7L V8 | 31003100, 31003300 | |
| 2008-2013 | Dodge Charger SE | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2012-2023 | Dodge Charger Pursuit | 5.7L V8 | 31003100, 31003300 | |
| 2012-2023 | Dodge Charger Pursuit | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2015-2016 | Dodge Charger R/T Road & Track | 5.7L V8 | 31003100, 31003300 | |
| 2015-2016 | Dodge Charger R/T Road & Track | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2017-2018 | Dodge Charger Daytona | 5.7L V8 | 31003100, 31003300 | |
| 2017-2018 | Dodge Charger Daytona | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
| 2005-2008 | Dodge Magnum R/T | 5.7L V8 | 31003100, 31003300 | |
| 2005-2008 | Dodge Magnum R/T | 5.7L V8 | 31003200 | Performance cats: naturally aspirated only |
31003100, 31003200: Competition, off-road and track use only. Not for use on public roads.
The competition-use waiver applies to 31003100.
Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.
| Specification | Details |
|---|---|
| SKUs | 31003100, 31003200, 31003300 |
| Vehicle engine | 5.7L HEMI; individual vehicle years below |
| Material | 304 stainless steel |
| Front / OEM outlet | 3" / 2-1/2" |
| Required headers | Matching Kooks headers |
| Choices | 31003100 Competition Only; 31003200 Performance; 31003300 GREEN |
| 31003200 engine condition | Naturally aspirated only |
Yes, with the 2-1/2" OEM rear interface.
The catalyst arrangement. All use 3" front pipes and 2-1/2" OEM rear outlets.
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.