The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
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The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Stronger & smoother, with less friction!
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This product was last offered at the strikethrough price on
06-13-2026
With an aggressive, motorsport-inspired look and impressive power gains, the Track Series was made for performance enthusiasts like you!
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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
06-13-2026
Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.
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Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet
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Can be used on any 2.5" exhaust piping. Measure before ordering.
This product was last offered at the strikethrough price on
06-13-2026
Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Can be used on any 2.5" exhaust piping. Measure before ordering.
This product was last offered at the strikethrough price on
06-13-2026
Serious engine oil cooling for the most demanding engines
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Performance replacement for your factory diverter valve - designed to recirculate boost pressure like the factory diverter valve, but with a much quicker response
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Save weight and add power and sound to your BMW!
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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
06-13-2026
Direct port injection plate with 1.5GPH nozzles for clean WMI installs
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Improve flow, horsepower, and reliability
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Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
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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
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Replaces your restrictive stock airbox for greater airflow and performance
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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