Easy Returns and Free Shipping on orders over $75
Pay at your own pace. Pre-Qualify Now
Cyber Week Sales Starts Now! — Click Here to Get Your Discount

Fitment

YearMakeModelDriveline
2018JeepWrangler JKN/A
2007-2017JeepWranglerN/A

Features

  • Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.

Quick Specs

  • Additional Parts Required : Yes
  • Application : Automotive
  • California Proposition 65 : WARNING: This product can expose you to chemicals including Chromium and Nickel, which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information go to
  • Clamps Included : Yes
  • Cutting Required : No
  • Finish : Natural
  • Grade Type : Performance
  • Hangers Included : Yes
  • Heat Shield Attached : No
  • Inlet Diameter : 3.000 in.
  • Material : 304 Stainless Steel
  • Mounting Method : Clamp On
  • Muffler Body Material : Stainless Steel
  • Muffler Body Shape : Oval
  • Muffler Quantity : One
  • Pipe Material : Stainless Steel
  • Welding Required : No
  • Part Number : 37104100

Important Notes

  • 2007-2018 Jeep Wrangler JK 4-Door w/LS Engine Swap. 3" Stainless Steel Cat-Back. 3" Mandrel Bent 16 ga 304 Stainless Steel Tubing. 3" Oval Muffler with 4" x 9" x 14" Long Body. Must be used with Kooks Headers & Y-Pipe. Parts designed to be used with LS Engine Swap with RPM Extreme (or similar) LS Swap Kit. Minimum 2-1/2" Suspension Lift recommended. Due to the custom nature of this part, other parts may be required for proper fitment. Please contact Kooks Headers and Exhaust before ordering.

Kooks Headers 3" SS Cat-Back for LS Swap. 2007-2018 Jeep Wrangler JK 4-Door.

Fits 2018 Jeep Wrangler JK 2007-2017
4.9256198347107 847 5
98.512396694215%
4.9/5 out of 847 Company Reviews. Rating:
Kooks Headers 3
690.75In stock
Fits 2018 Jeep Wrangler JK 2007-2017
$690.75

Out of stock

Bundle and Save with these options

Your discount may still be available. Contact us in Live Chat
  • Lowest Prices
    Price match guarantee
  • In-House Experts
    We know our products
  • Factory Authorized
    Install Center
  • Guaranteed Fitment
    Always the correct part
  • International Shipping?
    Get a Quote
Talk to a Specialist Now

Product Details

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!"
OUT OF STOCK SHIPS FREE

Product Questions

Ask A Question
request catalog
Unlock Additional Savings Now! Request Now X