Spend that money on a performance driving school and you'll enjoy your car a
lot more.

"Arthur" > wrote in message
...
> If I spend $1,500 on an air filter, injector kit and exhaust system on a
> 2003 325I, is it worth it and realistically, how much horsepower can I
> expect? Also, can I go up two sizes on the Continental tires for width,
> etc? I'm new at this so thanks for your response.
>