Jeep Trail Jammer EXT

Take your 98-06 Jeep TJ or 99-01 Cherokee XJ to the next level in Jeep performance with the Superchips Trail Jammer EXT. Included in the EXT package are the building blocks of performance starting off with a larger 62MM throttle body, a custom cold air intake, and top it all off with the our world renowned Superchips Flashpaq tuning.

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98-04 4.0L Jeep TJ Part # 387513 Purchase

05-06 4.0L Jeep TJ Part # 387514 Purchase

99-01 4.0L Cherokee XJ Part # 387510 Purchase

 

 

Now available for 2007-10 Jeep JK models!!!

 

07-10 3.8L Jeep JK Part # 387526 Purchase

OFF ROAD FEATURES

Tire size calibration of speedometer available on properly equipped Jeeps*

Transfer case gear calibration on 2005 and newer Jeeps if properly equipped

Axle gear calibraton on 2005 and newer Jeeps if properly equipped

Real time idle control for running accessories 

TRANSMISSION

Superchips Optimized transmission performance standard on all Jeeps

Wide Open Throttle shift points tuned on most Jeeps

Shift firmness optimized on all Jeeps

Advanced transmission tuning product available on newer Jeeps allowing for custom shift schedules, firmness and shift points 

ADVANCED ENGINE PERFORMANCE

Rev limiter adjustable on 2005 and newer Jeeps

Speed limiter adjustable on all Jeeps

Spark advance settings available on older model Jeeps

Read & clear diagnostic trouble codes standard on all vehicles

TJ 62MM Hi-Flow Throttlebody

Increased airflow to the engine

Improves overall Drivability

Installs with simple tools

Covers 98-06 TJ 4.0L

 Custom Cold Air Intake

Provides fresh air into the engine

Flows 195CFM compared to the OE 99 CFM (97% better)

Washable and reusable oil-impregnated cotton mesh filter

 

 

NOTE: Features vary be year, make, model and engine. Search by vehicle in question to find out the details. All Superchips tuning products for gasoline-fuled vehicles are either covered under CARB Executive Order number or are in a pending state. All non-racing Superchips tuning products for diesel-fueled vehicles are on the CARB products in progress list pending CARB testing and approval.

*Not applicable for 1998 - 2004 Wrangler models.

Check out our step by step videos of the Trail Jammer EXT being installed on a Jeep TJ

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