Cool, but confused, are you using 2.25" exhaust?
W/a turbo, you do not want any flow restrictions, going from a 2.5" exit from the manifold to 2.25" up pipe to the turbo?
Should keep that up pipe 2.5" to the turbo.
Better to go w/a 3" tubing for the down pipe & the rest of the exhaust system.
MBHD
MBHD
