Reply to thread

Message: <blockquote data-quote="Steven206Seattl" data-source="post: 4880303" data-attributes="member: 569558">I'm not sure if this was mentioned, but what kind of car do you have?I would do a cold air intake for starts.  It's cheap and easy to do yourself.  It'll make the tone deeper too but mostly in the higher rpms.  My cold air gained me almost 5 MPG on my honda engine.A lot of cars come with resonator boxes below the factory intake and a cold air will go right below where it was.  Removing the resonator is what also really helps.  Since people wanted cars to be quiet, stock intakes don't take in as much air but you lose HP and mileage.  I'm not sure if newer cars come with resonators anymore because of gas mileage.</blockquote>

Top