97-98 UK/Euro Std 215 BHP

Level 1 260-280 bhp

Full Decat or Sportscat exhaust from turbo back 2.5 or 3” bore 
Walbro 255 l/hr uprated fuel pump
K&N Panel filter and resonator delete.
Standalone Apexi Power FC Fully Mapable ECU with 4 x Boost/Power settings in-car adjustable

Level 2 290-310 bhp

Full Decat or Sportscat exhaust from turbo back 2.5 or 3” bore
Walbro 255 l/hr uprated fuel pump
Standalone Apexi Power FC Fully Mapable ECU with 4 x Boost/Power settings in-car adjustable
Apexi induction system
High Flow multi spray fuel injectors 550cc (380cc as std)
AFP 04-H custom ported Turbo
Uprated turbo to intercooler 'Y' pipe
NGK PFR 7B uprated spark plugs

Level 2(a) 300-320 bhp

Substitute VF34/35 or TD05-16G turbo in place of AFP04H for additional 10-20bhp but with slightly later turbo spool up.

Level 3 360-390 bhp

Full Decat exhaust turbo back 3” bore
Tubular exhaust headers and flow matched uppipe
Walbro 255 l/hr uprated fuel pump
Stand alone fully mapable SimTek ECU with twin maps, permitting use of different fuels or octane booster
and elimating the original MAF sensor which is limited to approx 350 bhp
Apexi Induction System
High Flow multi spray fuel injectors 550cc
AFP 05-20G custom turbo charger.
Fuel Lab turbo specification fuel pressure regulator with fitting kit & gauge
STI Version 7/8 TMIC & matching undertray
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Front mount intercooler 
NGK PFR 7B uprated spark plugs

Note Level 3 Power may shorten the life of the transmission system this will depend on use and driving style.

Level 4 390-410 bhp

Full Decat turbo back 3” bore
Tubular exhaust headers and flow matched uppipe
Walbro 255 l/hr uprated fuel pump
STI V7/8 TMIC & matching undertray
0r
Front mount intercooler 
Fuel Lab turbo specification fuel pressure regulator with fitting kit & gauge
Stand alone fully mappable SimTek ECU with twin maps, permitting use of different fuels or octane booster
and elimating the MAF sensor which is limited to approx 350 bhp on this model
High Flow multi spray fuel injectors 740cc
AFP 321H custom turbocharger with fitting kit
Custom Cold Air Induction system
NGK PFR 7B uprated spark plugs

Level 5 420-450 bhp

Full Decat turbo back 3” bore
Tubular exhaust headers and flow matched uppipe
Walbro 255 l/hr uprated fuel pump
STI V7/8 TMIC & matching undertray
0r
Front mount intercooler 
Fuel Lab turbo specification fuel pressure regulator with fitting kit & gauge
Stand alone fully mapable SimTek ECU with twin maps, permitting use of different fuels or octane booster
and elimating the MAF sensor which is limited to approx 350 bhp on this model.
High Flow multi spray fuel injectors 740cc
AFP 321T custom turbocharger with fitting kit
Map sensor upgrade to 3 BAR

Note We do not recommended level 4-5 standard internals-clutch or gearbox as a mimium we recommend forged pistons
and steel rods, steel head gaskets, uprated clutch. We also recommend either a PPG gear kit or 6 speed gearbox conversion ( from later STI)

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