I believe I have read in the past that you are able to get the same performance out of a stock pipe as an aftermarket one. Are you modifying the stock one in any way. I was thinking of pulling the drain plug and threading another pipe outlet in the plugs place. My other thought was to cut the end and remove all the spark arrestor restrictions and weld the cap back on. What are your thoughts or mods to the stock pipe. I bought a DG and it's a little better than stock, but not at the expense. It's time to pipe my youngest's, and I'd like to just mod the stock one if possible.
Thanks for your time
Jason