Unleash your JB's full potential!
For use with JB1 only
Unleash your JB's full potential!
For use with JB1 only
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, P0128 fix, Cruise Control fix or all the above
Only to be purchased individually
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, Hot-start fix, or all the above
Only to be purchased individually. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping an
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased in conjunction with another tune. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physi
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-20-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased in conjunction with another tune
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-20-2026
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased in conjunction with another tune
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-20-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
More Power. More Fun. Plus, a Limited Powertrain Warranty
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
See up to 255hp/280lb-ft This upgrade can only be performed with the car present at our facility.
This upgrade can only be performed with the car at ECS Tuning's location in Ohio.
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Ship your ECU for free, or drive your vehicle to our location. For vehicles with mass airflow sensor only. 181hp/204lb-ft (93 octane) --- 180hp/201lb-ft (91 octane),
At this time the software upgrades can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
Plug & play power — Gains starting at 25bhp/50lb-ft on a stock car!
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
This product was last offered at the strikethrough price on
05-02-2026
Gain up to 44 horsepower and 90 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Gain up to 193 horsepower and 145 lb-ft of torque on 93 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Requires Unitronic Stage 2 TCU Performance Software in addition to other hardware upgrades. Please see description for details.