How. much power will a performance exhaust system make? And can you make your own and still get some solid gains? Today we're going to find out! In this new series, we'll get an expensive intake system, and a home made system, then get an expert ... (more)to decide. Along the way, one car will modified with loads of cash, and the other one will be modified with parts found from dumpster diving, recyclers, second hand parts or the cheapest parts we can find.