Get up to +40 hp and +50 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#:
4339158
Mfg#:
909641
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 07-01-2026
For customers that already have APR software on their car and are upgrading to a K04
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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
Required software to properly upgrade to a K04 turbocharger
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. For vehicles with TSI engines only. Ship your ECU for free, or drive your vehicle to our location
Get up to +34 hp and +41 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#:
4339157
Mfg#:
909640
Ships in 3 Business Days
ON SALE!
SAVE 10%
$249.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +50 hp and +49 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#:
4339063
Mfg#:
905570
Ships in 3 Business Days
ON SALE!
SAVE 10%
$249.00
This product was last offered at the strikethrough price on 07-01-2026
*Sale applies only to ECU with 3 or 4 program purchase.
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.
*Sale only applies to purchases to ECU with 3 or 4 program options
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.
Software to assist in getting power to the ground in a timely manner. Must be purchased in conjunction with another APR tune.
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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa Ship your ECU for free, or drive your vehicle to our location. For vehicles with manual transmission only.
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5339748
Mfg#:
JB4-GEN1-TSI
In Stock
ON SALE!
SAVE 30%
$479.00
This product was last offered at the strikethrough price on 05-02-2026
Get up to +54 hp and +62 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#:
4339064
Mfg#:
905571
Ships in 3 Business Days
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +54 hp and +60 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#:
4338976
Mfg#:
901503
Ships in 3 Business Days
ON SALE!
SAVE 10%
$499.00
This product was last offered at the strikethrough price on 07-01-2026
Average gain of 57 horsepower and 88 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with TSI engine only
Average gain of 50 horsepower and 74 lb-ft of torque on 93 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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
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
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.
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
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
