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Unleash Your

OnItsArse are an official stockist of RaceChip Peformance

Get £15 off when quoting 'raceship15'

Optimum Performance Low Fuel Consumption

Chip Tuning From The Market Leader

Up To 2 years Engine Warranty

Easy & Simple Self-Installation

What Is Racechip?

More power, greater torque, superb mid-range punch, stronger acceleration and quicker responses: you’ll love the new characteristics RaceChip chip tuning will give your car. Access your car’s power reserves. RaceChip tuning doesn’t simply turn everything to the max – it optimises intelligently within your engine’s design limits. Chip tuning improves power output primarily by electronically optimising the fuel injection system. Forced induction on petrol engines can be by means of supercharger or turbocharger.

Product Range

Marin Julia


+20% HP +20% Nm

Richard Bauer


+25% HP +25% Nm

K.a Joben

RS + App

+25% HP +25% Nm

Marin Julia


+30% HP +30% Nm

Marin Julia

GTS + App

+30% HP +30% Nm

Marin Julia


Better throttle response

Marin Julia

XLR + App

Better throttle response

Want to find out what performance we can unleash on your vehicle?

Email us your make, model and engine size to: racechip@onitsarse.com

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