Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *For Electronic waste-gate*
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.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles or older.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
An advanced piggy-back engine controller that works simultaneously with the original ECU
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gains up to 80whp/100wtq 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#:
4000046
Mfg#:
JB4-F90-M5
Ships on Jul 2, 2026
$899.00
This product was last offered at the strikethrough price on 05-19-2026
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! Alleviate the plague of heat soak on the street or track. For vehicles with production date from 09/1998
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
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! Alleviate heat soak on the street or track.
Brand:
ES#:
3659554
Mfg#:
025451TMS05
In Stock
ON SALE!
SAVE 35%
$178.18
This product was last offered at the strikethrough price on 05-02-2026
Get up to +75 hp and +73 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Drilling Required!
Brand:
ES#:
4142048
Mfg#:
014579TMSKT
In Stock
ON SALE!
SAVE 30%
$134.15
This product was last offered at the strikethrough price on 05-02-2026
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
