What are some ways to boost horsepower in cavalier? I think i have around 115 HP, and my speedometer goes up to 110...

Some suggestions?

You could start with the exhaust.
Get a cold air intake.
Maybe look into some form of forced induction. A supercharger for your car. Maybe Jackson racing might have something.

www.ptuning.com will have things for your car. Just enter the type and year.:D Hope that helps.

ebay has a selection of mod chips for cavaliers. some that boost up to 20% more hp .....:dogpile:

BUt i found putting the oxygen sensor in a new place where its always getting cold air *in the summer* boosts alot

there are tons of things you can do, check out www.rksport.com , www.domestictunerz.com , www.mantapart.com