Uncategorized Wanted: stock muffler for ’05 Trx400ex September 2, 2016 dstech I just bought a TRX400 with an aftermarket exhaust … way too loud for my tastes and would like to return it to stock. If you have a stock part in decent shape, I may just be interested! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related