Kooks Headers CAS-104322 Extension Harness - Kooks 2015 Dodge Hellcat 02 Sensor Extensions for a 2015-2020 Dodge Challenger SRT Hellcat, 2018-2018 Dodge Challenger SRT Demon, 2018-2020 Dodge Challenger SRT Hellcat Widebody, 2019-2020 Dodge Challenger SRT Hellcat Redeye, 2019-2020 Dodge Challenger SRT Hellcat Redeye Widebody, 2020-2020 Dodge Challenger SRT Super Stock, 2015-2020 Dodge Charger SRT Hellcat and 2020-2020 Dodge Charger SRT Hellcat Widebody.
Manufacturer: Kooks Headers
Product: Kooks Headers Extension Harness
Part Number: CAS-104322
$120.38
Coupon Code:OGSavings
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK
WAREHOUSE (East: 2 | Central: 1 | Midwest: 1)
Generally ships within 1 business day.
WAREHOUSE (East: 2 | Central: 1 | Midwest: 1)
Generally ships within 1 business day.
Have a question regarding this product? Contact us.
Fitment:
NOTES: Kooks 2015+ Dodge Hellcat 02 Sensor Extensions
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2015 - 2020 | Dodge | Challenger | SRT Hellcat | ||
| 2018 - 2018 | Dodge | Challenger | SRT Demon | ||
| 2018 - 2020 | Dodge | Challenger | SRT Hellcat Widebody | ||
| 2019 - 2020 | Dodge | Challenger | SRT Hellcat Redeye | ||
| 2019 - 2020 | Dodge | Challenger | SRT Hellcat Redeye Widebody | ||
| 2020 - 2020 | Dodge | Challenger | SRT Super Stock | ||
| 2015 - 2020 | Dodge | Charger | SRT Hellcat | ||
| 2020 - 2020 | Dodge | Charger | SRT Hellcat Widebody |
Description:
O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk 2) 6" Front Extension Harness (8-pin) 2) 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.. O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk 2) 6" Front Extension Harness (8-pin) 2) 18" Rear Extension Harness (4-pin). Extensions are included in Header kits where needed. This part is a replacment for damaged or lost Extensions..
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
Related Links:
11-20 Dodge Charger Wiring Harnesses15-20 Dodge Challenger Wiring Harnesses
Other Wiring Harnesses:
Kooks Headers Extension Harness CAS-105067
Kooks Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 10/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 10/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2009-2020 Chrysler 300 C
2012-2014 Chrysler 300 C Luxury
2015-2017 Chrysler 300 C Platinum
2005-2010 Chrysler 300 C SRT8
2018-2018 Chrysler 300 Limited
2010-2010 Chrysler 300 S
2012-2020 Chrysler 300 S
2012-2014 Chrysler 300 SRT8
2013-2013 Chrysler 300 SRT8 Core
2015-2018 Dodge Challenger SRT 392
2018-2018 Dodge Challenger SRT Demon
2015-2015 Dodge Challenger Scat Pack
2016-2016 Dodge Challenger R/T Shaker
2019-2020 Dodge Challenger R/T Scat Pack Widebody
2016-2020 Dodge Challenger R/T Scat Pack
2016-2016 Dodge Challenger R/T Plus Shaker
2015-2016 Dodge Challenger R/T Plus
2012-2012 Dodge Challenger R/T Classic
2017-2019 Dodge Challenger R/T 392
2009-2020 Dodge Challenger R/T
2016-2016 Dodge Challenger 392 Hemi Scat Pack Shaker
2007-2020 Dodge Charger Pursuit
2006-2010 Dodge Charger SRT8
2015-2020 Dodge Charger SRT Hellcat
2015-2018 Dodge Charger SRT 392
2019-2020 Dodge Charger Scat Pack
2008-2013 Dodge Charger SE
2015-2018 Dodge Charger R/T Scat Pack
2017-2018 Dodge Charger R/T 392
2015-2016 Dodge Charger R/T Road & Track
2007-2020 Dodge Charger R/T
2012-2014 Dodge Charger SRT8
2017-2018 Dodge Charger Daytona 392
2017-2018 Dodge Challenger T/A 392
2017-2018 Dodge Charger Daytona
2017-2018 Dodge Challenger T/A
2008-2014 Dodge Challenger SRT8
2018-2019 Dodge Challenger SRT Hellcat Widebody
2019-2019 Dodge Challenger SRT Hellcat Redeye Widebody
2019-2019 Dodge Challenger SRT Hellcat Redeye
2015-2020 Dodge Challenger SRT Hellcat
2012-2014 Chrysler 300 C Luxury
2015-2017 Chrysler 300 C Platinum
2005-2010 Chrysler 300 C SRT8
2018-2018 Chrysler 300 Limited
2010-2010 Chrysler 300 S
2012-2020 Chrysler 300 S
2012-2014 Chrysler 300 SRT8
2013-2013 Chrysler 300 SRT8 Core
2015-2018 Dodge Challenger SRT 392
2018-2018 Dodge Challenger SRT Demon
2015-2015 Dodge Challenger Scat Pack
2016-2016 Dodge Challenger R/T Shaker
2019-2020 Dodge Challenger R/T Scat Pack Widebody
2016-2020 Dodge Challenger R/T Scat Pack
2016-2016 Dodge Challenger R/T Plus Shaker
2015-2016 Dodge Challenger R/T Plus
2012-2012 Dodge Challenger R/T Classic
2017-2019 Dodge Challenger R/T 392
2009-2020 Dodge Challenger R/T
2016-2016 Dodge Challenger 392 Hemi Scat Pack Shaker
2007-2020 Dodge Charger Pursuit
2006-2010 Dodge Charger SRT8
2015-2020 Dodge Charger SRT Hellcat
2015-2018 Dodge Charger SRT 392
2019-2020 Dodge Charger Scat Pack
2008-2013 Dodge Charger SE
2015-2018 Dodge Charger R/T Scat Pack
2017-2018 Dodge Charger R/T 392
2015-2016 Dodge Charger R/T Road & Track
2007-2020 Dodge Charger R/T
2012-2014 Dodge Charger SRT8
2017-2018 Dodge Charger Daytona 392
2017-2018 Dodge Challenger T/A 392
2017-2018 Dodge Charger Daytona
2017-2018 Dodge Challenger T/A
2008-2014 Dodge Challenger SRT8
2018-2019 Dodge Challenger SRT Hellcat Widebody
2019-2019 Dodge Challenger SRT Hellcat Redeye Widebody
2019-2019 Dodge Challenger SRT Hellcat Redeye
2015-2020 Dodge Challenger SRT Hellcat
FAST Wiring Harnesses Ex 301104
FAST Wiring Harness Main Dodge 5.7
IN STOCK
2005-2007 Chrysler 300 Base
2005-2010 Chrysler 300 Touring
2012-2014 Chrysler 300 SRT8
2009-2009 Chrysler 300 Signature Series
2012-2018 Chrysler 300 S
2010-2010 Chrysler 300 S
2008-2009 Chrysler 300 LX
2018-2018 Chrysler 300 Limited
2015-2015 Chrysler 300 Limited
2005-2012 Chrysler 300 Limited
2005-2010 Chrysler 300 C SRT8
2015-2017 Chrysler 300 C Platinum
2012-2014 Chrysler 300 C Luxury
2005-2018 Chrysler 300 C
2011-2014 Chrysler 300 Base
2009-2011 Dodge Challenger SE
2009-2018 Dodge Challenger R/T
2012-2012 Dodge Challenger R/T Classic
2015-2016 Dodge Challenger R/T Plus
2016-2016 Dodge Challenger R/T Plus Shaker
2016-2016 Dodge Challenger R/T Shaker
2014-2014 Dodge Challenger Rallye Redline
2015-2015 Dodge Challenger Scat Pack
2006-2018 Dodge Charger Pursuit
2012-2015 Dodge Charger SXT
2006-2010 Dodge Charger SXT
2012-2014 Dodge Charger SRT8
2006-2010 Dodge Charger SRT8
2015-2015 Dodge Charger SRT Hellcat
2015-2015 Dodge Charger SRT 392
2006-2015 Dodge Charger SE
2015-2015 Dodge Charger R/T Scat Pack
2015-2016 Dodge Charger R/T Road & Track
2006-2018 Dodge Charger R/T
2012-2012 Dodge Charger SXT Plus
2006-2006 Dodge Charger Daytona R/T
2017-2018 Dodge Charger Daytona
2006-2007 Dodge Charger Base
2017-2018 Dodge Challenger T/A
2015-2015 Dodge Challenger SXT Plus
2012-2012 Dodge Challenger SXT Plus
2012-2015 Dodge Challenger SXT
2008-2014 Dodge Challenger SRT8
2015-2015 Dodge Challenger SRT Hellcat
2015-2015 Dodge Challenger SRT 392
2005-2010 Chrysler 300 Touring
2012-2014 Chrysler 300 SRT8
2009-2009 Chrysler 300 Signature Series
2012-2018 Chrysler 300 S
2010-2010 Chrysler 300 S
2008-2009 Chrysler 300 LX
2018-2018 Chrysler 300 Limited
2015-2015 Chrysler 300 Limited
2005-2012 Chrysler 300 Limited
2005-2010 Chrysler 300 C SRT8
2015-2017 Chrysler 300 C Platinum
2012-2014 Chrysler 300 C Luxury
2005-2018 Chrysler 300 C
2011-2014 Chrysler 300 Base
2009-2011 Dodge Challenger SE
2009-2018 Dodge Challenger R/T
2012-2012 Dodge Challenger R/T Classic
2015-2016 Dodge Challenger R/T Plus
2016-2016 Dodge Challenger R/T Plus Shaker
2016-2016 Dodge Challenger R/T Shaker
2014-2014 Dodge Challenger Rallye Redline
2015-2015 Dodge Challenger Scat Pack
2006-2018 Dodge Charger Pursuit
2012-2015 Dodge Charger SXT
2006-2010 Dodge Charger SXT
2012-2014 Dodge Charger SRT8
2006-2010 Dodge Charger SRT8
2015-2015 Dodge Charger SRT Hellcat
2015-2015 Dodge Charger SRT 392
2006-2015 Dodge Charger SE
2015-2015 Dodge Charger R/T Scat Pack
2015-2016 Dodge Charger R/T Road & Track
2006-2018 Dodge Charger R/T
2012-2012 Dodge Charger SXT Plus
2006-2006 Dodge Charger Daytona R/T
2017-2018 Dodge Charger Daytona
2006-2007 Dodge Charger Base
2017-2018 Dodge Challenger T/A
2015-2015 Dodge Challenger SXT Plus
2012-2012 Dodge Challenger SXT Plus
2012-2015 Dodge Challenger SXT
2008-2014 Dodge Challenger SRT8
2015-2015 Dodge Challenger SRT Hellcat
2015-2015 Dodge Challenger SRT 392

