Plug & play power — gain up to 50 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with electronic waste gate; not for sale or use in the state of California.
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE Alleviate heat soak on the street or track.
Increase of +95 Horsepower, and +188 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
3508710
Mfg#:
JB4-S63
In Stock
$699.00
This product was last offered at the strikethrough price on 05-19-2026
Max gains of up to +50 HP and +47 lb-ft TRQ (Crank); +46 HP and +46 lb-ft TRQ (Wheel)
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! Works with 2012-2019 model years
Brand:
ES#:
4674679
Mfg#:
D440-0133
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-12-2026
Max gains of up to +47 HP and +55 lb-ft TRQ (Crank); +42 HP and +51 lb-ft TRQ (Wheel) on base models.
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!
Brand:
ES#:
4430016
Mfg#:
D440-0144
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-12-2026
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
Maintain driveability and reliability while adding up to 40 HP and 30 lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2012 to 2013 model year vehicles; not for sale or use in the state of California.
Brand:
ES#:
3508736
Mfg#:
S1-N63-B
Ships on Jun 30, 2026
$500.99
This product was last offered at the strikethrough price on 04-15-2026
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For Mid-2012 to 2013 vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For limited use in California, please see full description. CARB certified for sale in all 50 states For mid 2012 - 2013 vehicles with type B TMAP harness only!
Max gains of up to +45 HP and +38 lb-ft TRQ (Crank); +39 HP and +34 lb-ft TRQ (Wheel).
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! For model years 2012-2018 only
Brand:
ES#:
4490239
Mfg#:
D440-0127
Ships in 9 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-12-2026
Looking to add more horsepower and torque to the N63TU from a plug and play accessory? Look no further!
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! From production years 2013-2019
Brand:
ES#:
4615566
Mfg#:
D440-0139
Ships in 6 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-12-2026
Get up to +75 hp and +105 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
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
