[OLD...BILL]

DON: A good tube header will out perform the cast Fenton, because the tube is smmmmooooth inside, for those of us that spend time and money to smooth the ports on our engines, see the adavange to make the engine run better, and cooler, it just breath better, and sound better too.... there will always be some, like yo, no bige deal yo. ... but it does feel good to. ... OLD...BILL