i am currently running a turbonetics t3/t4 .57 trim ar63 with a stage 3 wheel and i was wondering if i wanted to upgrade to a straight t4 could i change the exhaust side to a t4 or do i need to buy a whole new turbo? would this be worth wild for me i'm currently hitting full boost about 4,500rpm with this turbo. i redline at 8k due to a stock head. my setup is below

ls vtec turbo
81.5 mm endyn rw
eagle rods
b16 head with itr manifold and jg tb
act 4puck xtreme
12lbs flywheel
thermal 3 inch
2.5 down pipe
drag manifold (getting a lovefab soon)
hks 40mm wastegate
greddy type r bov
26.5x8x3 fmic
crane ignition
aem fuel rail
sx fpr
720cc greddy
hondata 2b w/ boost

260whp @ 10psi
13.8 @ 104 on some baldass tires (full interior integra)

 

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