2.5 inch exhaust with flex pipe and mid pipe to keep noise down lol. 100$ located in albany ga. will trade for boost controller and such. lmk wat you got. there is no muffler. i didnt use one and its not to loud but i wanst n/a either. can come with down pipe if you want you would just need to weld it back on lol. i am going 3 inch so i have no use for any of it