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Kooks 34103301 3 inch green catted connection pipes for Hellcat Trackhawk full pair
Kooks 34103301 catted pipes installed on Dodge Challenger Hellcat exhaust system
300 cell metallic green catalytic converter detail in Kooks 34103301 pipe
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Kooks 2012+ Jeep Grand Cherokee SRT8 6.4L 3in Stainless GREEN Catted Connection Pipes

Kooks Headers
KSH34103301
842422172053
Connecting Pipes
2 Units In Stock - Ships Next Business Day
$ 2,419.51 $ 2,177.56
$ 2,177.56

Complete the System: Precision Fit Connection Pipes for Full Power Delivery

The Kooks 3-inch GREEN catted connection pipes complete the exhaust upgrade on 2015 and 2023 Dodge Charger/Challenger Hellcat (6.2L supercharged) and 2021 and 2023 Jeep Grand Cherokee Trackhawk (6.4L) models, linking Kooks long tube headers directly to the factory mid-pipe for seamless integration that maintains 49-state emissions compliance while adding 20 and 30 rear-wheel horsepower and 25 and 35 lb-ft of torque through high-flow 300-cell metallic substrate GREEN catalytic converters and mandrel-bent tubing.

Handcrafted from T304 aircraft-quality stainless steel with 3/8-inch laser-cut flanges and full TIG welds, these pipes ensure zero leaks under extreme heat and support over 1,000 HP from tunes or cams without sacrificing ground clearance or daily drivability. The direct bolt-on design preserves the Hellcat/Trackhawk's ferocious supercharged soundtrack with a deeper, more aggressive tone at wide-open throttle and zero drone at cruise.

For Hellcat and Trackhawk owners pairing Kooks headers with stock exhaust, the 34103301 GREEN catted connection pipes are the essential emissions-legal link that maximizes supercharged performance with proven reliability.

Key Features

  • 3-inch mandrel-bent T304 stainless steel tubing
  • GREEN 300-cell high-flow metallic catalytic converters
  • Direct bolt-on to Kooks headers and OEM mid-pipe
  • 3/8-inch laser-cut flanges with full TIG welds
  • Supports 1,000+ HP with proper tuning
  • Preserves factory ground clearance and heat shielding

Product Notes

  • 49-state EPA compliant not for sale or use in California or CARB states without exemption
  • Requires Kooks long tube headers for proper fitment
  • Fits RWD Hellcat and AWD Trackhawk

California Proposition 65: Contains chemicals known to the State of California to cause cancer or reproductive harm.

Warranty: Limited lifetime on stainless construction and 25,000 miles on catalytic converters to original purchaser.

Installation Notes

  • Professional installation recommended lift required
  • Bolt pipes to Kooks header collectors with supplied gaskets
  • Connect to OEM mid-pipe using included hardware
  • Torque flanges to 25-30 ft-lbs and check for leaks after heat cycle

This Part Fits

Year Make Model Submodel/Engine
2015 and 2023 Dodge Charger / Challenger/ Durango Hellcat 6.2L Supercharged HEMI
2021 and 2023 Jeep Grand Cherokee Trackhawk 6.2L Supercharged HEMI

Note: Fits models with Kooks long tube headers. RWD/AWD compatible.

What's Included in the Purchase

  • (2) 3" GREEN Catted Connection Pipes
  • Gaskets and Flange Hardware Kit
  • Detailed Installation Instructions
  • Part Number: Kooks 34103301

Why Choose Kooks?

  • Over 60 years of championship-winning exhaust engineering
  • Handcrafted in the USA from T304 aircraft-quality stainless steel
  • Limited lifetime warranty and dyno-proven performance

Frequently Asked Questions

  • Q: Does this work with factory headers?
    A: No, designed specifically for Kooks long tube headers
  • Q: Is it emissions legal?
    A: Yes, 49-state EPA compliant with GREEN cats
  • Q: Fits Trackhawk AWD?
    A: Yes, full compatibility with AWD driveline
  • Do Kooks headers require a tune after installation?
    Yes. A professional tune is strongly recommended after installing long tube headers. The significant improvement in exhaust flow changes air fuel ratios and requires ECM recalibration to achieve optimal power output and safe operation.
  • Will these headers void my factory powertrain warranty?
    Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty simply because you installed an aftermarket part unless they prove the component directly caused the failure. Consult your dealer for specifics on your situation.
  • Q: Do these Kooks headers require a tune after installation?
    A: Yes. A professional tune is strongly recommended after installing long tube headers. The significant improvement in exhaust flow changes air fuel ratios and requires ECM recalibration to achieve optimal power output and safe operation.
  • Q: Will Kooks headers void my factory powertrain warranty?
    A: Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty simply because you installed an aftermarket part unless they prove the component directly caused the failure in question. Consult your dealer for specifics.
  • Q: What warranty does Kooks provide?
    A: Kooks products are backed by a limited lifetime warranty to the original purchaser against defects in materials and workmanship. Racing and competition use applications may have specific warranty exclusions. Contact Kooks Performance directly for warranty details.

Shipping & Handling

  • Method: UPS or Fed Ex Ground.
  • Availability: Typically ships same day or next if in stock.
  • Packaging: Heavy-duty Box with foam protection.

Request For Information

Have questions about Kooks 2012+ Jeep Grand Cherokee SRT8 6.4L 3in Stainless GREEN Catted Connection Pipes? Fill out the form below and we'll get back to you by the next business day.
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