talked to dr. performance again bout there delete.They said bout 3 more weeks till release. The kit will be bolt on and weld on straight pipe both in 4 inch only right now. the bolt on will be a oem dpf canister guted with a fooler box so it will still appear factory also they said they may takes cores for cheaper price on kit. $600.00 for bolt on with fooler box. The weld on will be like everyone eles kit straight pipe and box dont know price let u know when mine is on.i think im going with bolt on.then 5'' mbrp dpf back exhaust they said it sound really good.