hello looking into buying this 2004 coupe. he has several modifications on the car and i would like to know if the way he has it set up seems safe for the engine or not.
here is the list of work on the car's performance side

Engine
Turbonetics turbo, Spearco intercooler, Evalotion waste gate, Raptor blow off valve, 380cc injectors, custom secondary fuel injection, custom fuel return system with adjustable regulator, Walbor in tank high flow fuel pump, Greddy profec II boost controller, Greddy turbo timer, polished intake plenum, Jim Wolf tech light weight aluminum flywheel, comp clutch ceramic 6 puck, Unorthodox racing light weight under drive pulleys, Custom 3” cat back exhaust, Nrg hood dampeners, Optima yellow top battery, Nissan engine cover.

Suspension
Tein basic adjustable coil over suspension, Eibach front and rear sway bars, NRG strut tower brace, SPC rear lower control arms, SPC toe bolts, GT spec front lower lateral brace, GT spec 4 point mid brace, GT spec rear lower lateral brace, GT spec upper rear lateral brace.

Wheels
Dazz 20” 3 pc staggered wheels custom painted face to match vehicle, Nitto tires 255/35 in rear & 235/35 in front.

EDIT found more info on car through old sales
*Turbo: Turbonetics 60-1 Ball Bearing turbo*Intercooler: Spearco large W.A.V.E. Technology core with cast end tanks.*Fuel Management: Turbonetics tuned upgraded ECU with larger injectors and a upgraded fuel pump.*Air Filter: Turbonetics AF-1*Wastegate: Turbonetics Evolution*Blow Off Valve: Turbonetics Raptor with polished discharge horn*Intercooler Piping: Black chrome mandrel bent aluminum*Polished mandrel bent stainless steel with v-band connection between the all the pipes*Downpipe: 3.0" polished mandrel bent stainless steel*