Do you have emissions testing? I don’t, I’d get rid of that darn dpf,they always give you trouble when the clog up, if your looking to do it on a budget dark side has the cheapest downpipe, or you can hollow your dpf if you have the required tools, then I bought a piece of 3” pipe and the dark side downpipe comes with a piece to match stock exhaust so I bought 1 3” clamp then 1 3” exhaust heavy duty exhaust clamp then 1 2.25 heavy duty exhaust clamp, I deleted everything but the muffler, I’m gonna put a cut out on eventually just so I can have a mini power stroke somedays hehe, you’ll need a tune that deactivate all your emissions before you touch anything, you could do the dp then later upgrade to stage 3 with a turbo from Malone, If you have any questions feel free to ask.
the gtd14/56 requires a bit of modification it’s not plug and play, it looks like that gtb17/56 should be plug and play, there’s a guy currently fitting a gtd14/56 and it’s a pain, I’m currently following him very closely trying to decide my route. UPDATE the 17/56 apparently requires a lot of fab to make work xman is apparently reworking his kit to accommodate, lemme know what that company tells you.
, still no word from the other company still waiting a response