Give your vehicle modern styling for years to last
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Give your vehicle modern styling for years to last
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Give your vehicle modern styling for years to last
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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!
This product was last offered at the strikethrough price on
05-02-2026
Swap that plastic charge piping out and build boost the reliable way.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-15-2026
Higher flowing intercooler tubes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-15-2026
Add some design flare to your engine bay!
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Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
05-02-2026
Version 1.
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Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
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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. For Fuel-It! brand port injection configs.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Stainless Steel exhaust tip featuring a 3.0 Inlet & a 4.0" Double Wall, Straight Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
05-02-2026
Two required per valve, necessary for use with certain supertech valves
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Plug & play power — gain up to 40 horsepower on a stock car, 70+ horsepower on a modified car!
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Not for sale or use in the state of California.
This product was last offered at the strikethrough price on
05-19-2026
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
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Increase power and efficiency while decreasing combustion temperatures
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Naturally Aspirated Engines