Build breakdown on my 2004 is300 that I turbocharged and 6 speed swapped. If anyones got questions lmk. Parts list is below. You can always message sellers for discounts or buy used/returned parts to save even more money like I did.

Turbo (t3 manifold size)($112.79)- https://www.ebay.com/itm/174341911792...

Downpipe(needs to be cut/welded to fit and o2 bung welded for o2 sensor) ($37.29)- https://www.ebay.com/itm/295136194942...

Intercooler and piping with clamps(some tubing will need to be cut and may need additional couplers depending) ($174.99)- https://www.ebay.com/itm/313127216249...

Turbo oil drain/return bung/sandwich plate($12.99)- https://www.ebay.com/itm/125460348973...

Turbo exhaust manifold/header ($188) - https://www.ebay.com/itm/145255769602...

External wastegate ($89.99) - https://www.ebay.com/itm/171012395549...

Wastegate dump pipe ($23.49) - https://www.ebay.com/itm/125772718695...

Turbo oil feed line ($18.99) - https://a.co/d/2nk7OS5

Turbo oil feed line adapter ($11.99) - https://a.co/d/89Mmv9k

10 an turbo drain hose ($22.00) - https://www.ebay.com/itm/144848067753...

10 an oil drain adapter for turbo ($7.49) - https://www.ebay.com/itm/314541905273...

Oreilly Maf housing ($18.99) - https://www.oreillyauto.com/detail/c/...

10 an hose fittings for oil return ($10.99) - https://www.ebay.com/itm/363543684241...

T3 to T4 turbo adapter for between turbo and manifold. Could also just buy a T4 turbo but they were too big imo. ($60) - https://www.ebay.com/itm/133773167444...