Performance Tuning and More

Based in California we build performance upgrades for your European sports machine. Engineered for everyone.
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Super cars and race cars are assembled using the most exotic of materials to shed weight. Wheel bolts are part of the lightening solution. Drop the unsprung mass with a set of our forged titanium lug bolts. Fits most vehicles using a M12 bolt.
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A classic style exhaust for a classic BMW. Our catback exhaust for the 01-06 BMW 3 Series (E46) marries performance and sound in a single complete package.
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IMPORTANT: Highline Tuning will be closed from September 9th through the 29th. All order processing will resume on the 30th.