what are peoples go to places to buy bits and bobs general engine, suspension, brake, exhaust stuff? New bits any got to sites? In the uk
Exhaust: get is custom made by a decent exhaust garage! (NOT Powerflow or Magnaflow crap, something better!)
There is very little off the shelf stuff anymore, plus custom items can be tailored more to your requirements of sound and finish.
PLUS if you get a custom exhaust, for the love of god, get the turbo elbow made replaced with the exhaust system to aid flow as its a major restriction for GTiR exhaust systems.
A good 3"/75mm dia exhaust system is manditory!
Air filter: I'd look at a custom K&N unit from them.
Do some measurements before hand and then look at getting something like a universal unit to fit.
Its worth speaking to them and seeing what they might be able to help you with.
K&N Filter Universal Unit
Suspension: We don't have many offerings - BC Coilovers or Mister R seem to be the basic bitch stuff, still on the market for GTiR's
If you want more of a quality ride AST offer GTiR units, but they are expensive
BC GTiR BC Coilovers
AST Suspension
Brakes, there are still options like AP Racing, Alcon, and K-Sport - there are others on the market, but a good 4 or 6 piston system will be fine of all uses. Just order some braided likes from Goodridge or HEL for safety and because you'd be stupid not to!!!
Parts - Local motor factors or Nissan direct.
and as mentioned, most SR20 items for S14's 15's etc are NOT compatible.
They must be GTiR/Sunny/Pulsar/RNN14 compatible.