This auction is for a brand new Tmaxx 3.3 header and exhaust pipe resonator PLUS mounting screws. These sound awesome. Will fit the 2.5 Tmaxx as well. This is an aweswome upgrade for any T-Maxx. Look at my other auctions for more T-Maxx items. I will combine shipping, highest price item then 2.00 for each additional item.The free listing tool. List your items fast and easy and manage your active items.