Originally Posted by
airraptor
CP what i didnt get across to you is that the St 45 when compared to the other will turn higher numbers on the jett muffler. try one your self. you will be supprised how well it turns..... You need a smooth transition for the exhaust to go in and out of the engine. The St does this well as it shows on the gains.
I don't doubt it, I haven't kept track of what is going on in the ".45 engine world" in years...not since I was a steady club member. I didn't know ST pioneered the tuned muffler...are you talking about their old muffler design that you could swing to any angle..?
I've already got too many .45s to buy a ST .46 but it's good to know they are a hot engine if I ever get involved in some horse trading.