Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021

Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021

3410H431 / 3410H421 / 3410H621 / 3410H631 / 3410H641 Kooks 12-21 Jeep Grand Cherokee SRT & Trackhawk Long Tube Headers & Mid Pipes. Kooks Long Tube Headers & Mid Pipes maximize power and performance for 6.4L SRT and 6.2L Trackhawk vehicles. Constructed from 304 stainless steel, headers feature 1-7/8" or 2" primaries with TIG welding, mandrel bends, O2 bungs, and 3" collectors. Pair with standard, GREEN, or HIGH OUTPUT GREEN catted mid-pipes. Not CARB compliant.
Part # 3410H421 / 3410H621 / 3410H431 / 3410H631 / 3410H641 

free ground shipping
Regular price $3,691.05
Regular price $4,101.17 Sale price $3,691.05
Sale Sold out
Shipping calculated at checkout.

Low stock: 8 left

  • FREE SHIPPING

    MOST orders over $250 ship free*

  • AUTHORIZED RETAILER

    100% Authorized Direct Retailer

  • LIVE INVENTORY

    Inventory updated throughout the day

  • 0% APR FINANCING

    Easy payment plans through Affirm and Shop Pay

View full details
3410H431 / 3410H421 / 3410H621 / 3410H631 / 3410H641 Kooks 12-21 Jeep Grand Cherokee SRT & Trackhawk Long Tube Headers & Mid Pipes. Kooks Long Tube Headers & Mid Pipes maximize power and performance for 6.4L SRT and 6.2L Trackhawk vehicles. Constructed from 304 stainless steel, headers feature 1-7/8" or 2" primaries with TIG welding, mandrel bends, O2 bungs, and 3" collectors. Pair with standard, GREEN, or HIGH OUTPUT GREEN catted mid-pipes. Not CARB compliant.

Kooks Long Tube Headers & Mid Pipes

12-21 Jeep Grand Cherokee SRT & Trackhawk

3410H421 / 3410H621 / 3410H431 / 3410H631 / 3410H641

Kooks Long Tube Headers & Mid Pipes are engineered to deliver peak performance for 6.4L SRT and 6.2L Trackhawk vehicles, enhancing horsepower, torque, and exhaust efficiency. Crafted from 304 stainless steel, headers feature 1-7/8" or 2" primaries, TIG-welded, mandrel-bent construction, blended flanges, venturi merge spikes, and welded O2 bungs for precise exhaust flow and improved scavenging.

Paired with 3" catted mid-pipes—available in standard, GREEN, or HIGH OUTPUT GREEN options—this system optimizes exhaust performance while maintaining high durability. Headers include O2 extension harnesses and complete installation hardware, and bolt directly to the factory exhaust using Kooks connection pipes. Designed for high-output engines, this setup provides aggressive exhaust tones and improved throttle response. Not CARB compliant; not legal in California.

  • 304 stainless steel construction, TIG-welded and mandrel-bent
  • 1-7/8" or 2" primaries with 3" collectors
  • Integrated venturi merge spike for optimized scavenging
  • Pre-welded O2 bungs; includes O2 extension harnesses
  • TIG-welded, continuous tube primaries for durability
  • Connection pipes required to interface with stock exhaust
  • Mid-pipe options: 3" standard catted, GREEN catted, HIGH OUTPUT GREEN
  • EPA-certified GREENCATS for 49-state legality (GREEN option)
  • Boosts horsepower, torque, and throttle response
  • Aggressive, high-performance exhaust tone
  • Engineered for 6.2L Trackhawk & 6.4L SRT vehicles
  • Not legal for sale, installation, or use in California; not CARB compliant
free ground shipping