Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering. For use with JB4 only
APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.
Brand:
ES#:
4727518
Mfg#:
EM100039
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$193.95
This product was last offered at the strikethrough price on 07-03-2026
Plug & play power ? gains starting at 30whp/40lb-ft on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
3677538
Mfg#:
JB4-1.4
In Stock
$529.00
This product was last offered at the strikethrough price on 06-17-2026
This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop. *Tune sold separately.
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Max gains of +32-45 WHP and +61-78 WFT-LBS depending on octane
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4660564
Mfg#:
999941
Ships in 3 Business Days
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 07-01-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Max gains of a +32 WHP and +61 WFT-LBS of torque and a Limited Powertrain Warranty
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Get up to +35 hp and +44 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339148
Mfg#:
908741
Ships in 7 Business Days
ON SALE!
SAVE 10%
$329.00
This product was last offered at the strikethrough price on 07-01-2026
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
Brand:
ES#:
4840618
Mfg#:
H021-002-06
Back Ordered
$60.99
This product was last offered at the strikethrough price on 05-12-2026
Get up to +43 hp and +53 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339151
Mfg#:
908744
In Stock
ON SALE!
SAVE 10%
$499.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +43 hp and +53 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339150
Mfg#:
908743
Ships in 3 Business Days
ON SALE!
SAVE 10%
$449.00
This product was last offered at the strikethrough price on 07-01-2026
Plug-and-play performance solution - Enjoy gains of up to 35% more horsepower and 25% more torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3558905
Mfg#:
CW02119
Ships in 1 Business Day
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$449.99
This product was last offered at the strikethrough price on 07-03-2026
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
