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The ProFlex Commander adaptive flex fuel system allows you to start making more power and running cooler with E85.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increased fueling for bigger power - supports up to 850whp!
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Lifetime Replacement
K-Jet fuel injector
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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
06-08-2026
Lifetime Replacement
Clogged or dirty injectors will cause poor performance and fuel economy
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
06-08-2026
Lifetime Replacement
Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
Ensures that you get modern response times and superior atomization compared to older pintle-style designs.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications.
Lifetime Replacement
Get 100% more flow over stock with this upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get 100% more flow over stock with this upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
The ultimate supplementary fueling kit for the S55 engine!
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
Looking for some more fuel for your B58 powered BMW? Not looking to break the bank on overpriced PI kits?
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Aftermarket Charge pipe required
Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
06-08-2026
Lifetime Replacement
