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2011 JEEP WRANGLER JK  - 4WD JK Programmer and Exhaust Performance PAK - PERFPAK11 - PERFPAK11

4WD JK Programmer and Exhaust Performance PAK - PERFPAK11

4Wheel Drive Hardware | Part Number: 4WDPERFPAK11


  • Fitment: Direct Fit
  • In_Stock: In Stock
  • In_Stock: In Stock


  • 2 and 4-door models
  • With 3.8L engine
  • Bully Dog Triple Dog GT Gas Gauge Tuner
  • 3 Power Settings
  • Dynomax Stainless Steel Axle Back Dual Exhaust System
  • 2.5 inch inlet/3 inch outlet system


The JK Programmer and Exhaust Performance PAK includes a Bully Dog Triple Dog GT Tuner and Dynomax Stainless Steel Axle Back Dual Exhaust System. The Bully Dog Triple Dog GT is an all in one downloader, monitor and tuning device. The GT Gas features multiple power settings with the ability to adjust drivetrain and user settings. In addition, the GT line features all of the same gauge/monitoring functions as well as the advanced Driving Coach software aiding drivers in maximizing their fuel economy. DynoMaxs head-turning, show-stopping performance and sound is backed by over 20 years of dyno-proven performance and engineering. Exhaust includes Super Turbo muffler assembly, clamps, and 5.5 inch overall length stainless steel slant cut tips.


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Headquartered in Columbiana, Ohio, 4Wheel Drive Hardware (4WD) was established in 1977 as a distributor of high-quality Jeep parts and accessories. With a passion for jeeping, the company is fully immersed in the Jeep lifestyle and caters to the needs of casual weekend warriors and hardcore enthusiasts. 4 Wheel Parts carries a wide variety of 4WD's product line including distributors, beverage accessories, fire extinguishers, and winches and winch accessories. Their Columbiana store or one of 4 Wheel Parts 75 stores across North America are a go-to resource with ASE-certified technicians who install every part they sell. Shop 4Wheel Drive Hardware Now