Cutting grinding and welding your firewall is completely illegal. To the letter of the law it is technically illegal to even drill a hole to mount a hydraulic clutch in a KE70!!

 

You crash and hurt / kill someone with a car with those kind of modifications and they work it out your 3rd party insurance company will payout the damages and then send you a bill for the value as you have no cover.

 

I'm not being a smart ass but he didn't cut grind or weld his firewall he made a completely new one which I would guess is just as illegal.

I'm not meaning to be smart either, but to remove the old firewall he would have angle grinded it out, and to fit the new one welded it in :P

yes, lol. it's not my car anyway so not my problem.