What Audi A4 (99-01) comes with HID's(xenon). With chip...intake...and exhaust on the v6 190 HP, What am I looking at running on quartermile and hp to the crank gain? If I get one with 65 to 75k miles, will it be reliable enough...please enchant me with more info on the car.

 

Welcome to Audi Forums Porsche91101!

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All of these questions have been asked over and over again. In fact some of them were asked today.

BTW: The chip on a 2.8 V6 will give very little gain, especially for the investment.

 

HIDs were options. Go with 1.8T if you want to mod it. You'll need to do the timing belt before 90K mi.