2011 JEEP WRANGLER JK  - Dynomax VT Cat-Back Exhaust System - 38456 - 38456 | 4WD.com
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2011 JEEP WRANGLER JK  - Dynomax VT Cat-Back Exhaust System - 38456 - 38456

Dynomax VT Cat-Back Exhaust System - 38456

Dynomax Exhaust | Part Number: DYN38456


  • Tubing Size: 2.5 Inches
  • Fitment: Direct Fit
  • Exit Location/Type: Single Rear
  • Material: Stainless Steel
  • System Type: Cat-Back
  • Tip Included: Tip is included


  • 07-11 Wrangler JK, 4-Door
  • Fits 3.8L engines
  • Stainless steel DynoMax VT Muffler
  • Stainless steel buffed and polished slant cut tip with 2.5-in. inlet, 3-in. outlet, 12-in. OAL, rolled edge
  • 2.5-in. Mandrel bent stainless steel tubing
  • Four stainless steel 2.5-in. band clamps


Technology Dominates every phase of Dynomax Exhaust System production. From State-of-the-art CAD design and engineering to advanced CAM processes, no one else in the after market industry delivers Dynomaxs level of high-performance technology.


Question & Answers

1 Answered question

what will this exhaust do for my jeep? will it help the engine performance? power? horsepower?

Asked by from Ontario, Canada on

Hello! You bet you will see benefits from this exhaust! How about 13 additional horsepower and 12 lb-ft or torque! Also, the sound of the exhaust will be deeper and sound much better than the OEM exhaust.

Answered by Aaron S. from Ontario, Canada on


For 30 years, DynoMax Performance Exhaust has specialized in engineering quality mufflers and exhaust performance systems for 4x4s. Pure, Unadulterated, Power is the company's theme and their extensive line of stainless steel performance mufflers reflects this. We carry everything from exhaust tips to tailpipes to mufflers made by DynoMax for off-roaders looking to increase horsepower and performance on and off the trail. In 2015, DynoMax introduced the QuietCrawler System for lifted Jeep Wrangler JKs designed for off-roading and rockcrawling. The company is dedicated to developing and producing exhaust system that push the boundaries of performance, innovation and efficiency. Shop Dynomax Exhaust Now