Guys, To those whom had DIY their own vertical door but do not have good, strong or longer lift absorber to lift up the door, by all means...pm me, thanx.
I am driving a Cefiro A31 with RB20 Turbo Skyline GTS engine. Currently I have upgrade my exhaust to 3" from front to back, K&N air-filter, boost controller. Might be mod my side Intercooler to FMIC. Then...