Try the complete Bellanger system: headers, exhausts, hiflo cats, mufflers and chrome tipped tailpipes, without crossovers. It sounds great, not much louder than stock exhaust in normal operation, but when you punch it, it is probably 25% louder than stock. It does sound much lower and throatier, so anyone knowledgable can tell you ain't got no stinkin' "stock" exhaust. Mellow and responsive, adding anywhere (opinions differ) from 35 to 60 horsepower (at flywheel). It also looks great-though you can only see the ceramic coated headers and the chrometipped tailpipes. It also eliminates the heat soak from the crossover pipes and the side sills, which you can put your hand on without removing them from the heat! Lots of bonuses, though pricey unless you can work a deal thru a local Vipertech like I did.