Due to fitment issues with some vehicle makes and models outside of the US, we will only be shipping within the USA. By side-stepping your FACTORY SET throttle, Sprint Boosters give you direct "throttle control."
• Eliminates throttle lag
• Sport & Race mode
• Instant acceleration response
• 30-Day Money-Back
• Increases performance
How Sprint Boosters Makes Your Audi S4 Better
And to be clear, it’s not making more horse-power, it’s making your Audi S4 more responsive by drastically improving your Audi S4’s throttle response time and giving you INSTANT GO POWER.
Eliminate your throttle's slow response time and bring instant power back to your pedal -- Guaranteed!
Please Note: Sprint Boosters are confirmed to work with USA Market cars only. We cannot guarantee compatibility with cars made for sale outside of the US market.
By side-stepping your FACTORY SET throttle, Sprint Boosters give you direct "throttle control."