View Full Version : Exhaust Pipe Size
12-21-2009, 04:56 PM
I have true dual exhaust on my '98 with a 350 and it's the stock 2" piping. I have the stock cats with two 2.25" Flowmaster Super 44's and 4X18" tips exiting out the back. I'm buying two Thunderbolt cats after Christmas, and was thinking about just having my exhaust piping redone to 2.25" all the way back to the headers. How much of a difference in sound and tone will there be? Or should I go with 2.5" piping? Also, about how much should it cost to have the piping redone?
12-22-2009, 07:00 AM
Usually 2.25-2.50 is the rule of thumb when it comes to exhaust pipes on a stock vehicle. 2.25 will do just fine on your setup, you will not tell a differece in going up an extra .25 in sound or performance if you went with the 2.50in pipe. (but your wallet will pay for the slightly bigger pipe lol) Im going with 2.25 on my truck as well. I have 2.00in pipe going to the muffler and 2.25 exiting the muffler to the tips. Im gonna put 2.25 in pipe in place of the 2.00in pipe that is going to the mufflers now.
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