I was just wondering if having a Y pipe open would decrease or increase HP since air is coming out quicker. ? I searched and searched and couldn't find anything on the forums so if this is not new I apologize but couldn't find it. Please I need the info. Thanks

 

You are talking about cut outs? Been done. See drag racing forum.

 

Is ur car that fast that u don't need exhaust?

 

Start reading posts from Hydrozine

 

Oh no is not that i was jus wonderin if that would make any difference

 

Thanks guys ill go ahead and look at those forums for info