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06-18 WRX UK/EURO 2.5 Std 227 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 
Ecutek custom remap
K&N panel filter

Level 1A 290-310 bhp

Add - AFP 04H custom ported hybrid turbo to level 1

Level 2 330-350 bhp

Full Decat exhaust from turbo back 2.5 or 3” bore
Walbro 255 l/hr uprated fuel pump
Ecutek custom remap
K&N panel filter
VF34 Turbo with ported exhaust & wastegate sized to suit 2.5 
NGK uprated spark plugs

Level 3 360-390 bhp

Full Decat turbo back 3” bore
Walbro 255 l/hr uprated fuel pump
K+N panel filter
Ecutek custom remap
Fuel Lab turbo specification fuel pressure regulator with fitting kit & gauge
AFP 5-20G Ported Exhaust & wastegate sized to 2.5 and machined to suit TGV
STI 06-07 TMIC
NGK uprated spark plugs

Level 4 400-420 bhp

Full Decat turbo back 3” bore exhaust system
Tubular exhaust headers and flow matched uppipe
Walbro 255 l/hr uprated fuel pump
EcuTek custom remap
Custom Cold air induction
650cc Injectors
AFP 321T custom turbocharger with fitting kit
NGK uprated spark plugs

Level 5 420-460 bhp

Full Decat turbo back 3” bore exhaust system
Tubular exhaust headers and flow matched uppipe
Walbro 255 l/hr uprated fuel pump
EcuTek custom remap
Custom Cold air induction
650cc Injectors
Fuel Lab turbo specification fuel pressure regulator with fitting kit & gauge
AFP 321T custom turbocharger with fitting kit
NGK uprated spark plugs 
AVCR boost controller
Optional FMIC
Uprated clutch
NGK racing 8 spark plugs

On 06/07 WRX/STI 2.5 the pistons run very tight bore clearances. On Level 4 and above we recommend a forged piston upgrade. The forged piston upgrade is also recommended for level 3 if used for sustained high speeds or if used regularly on track. Level 5 we also recommend steel conrods, ARP head studs and uprated head gaskets.

*PLEASE NOTE - We do not do parts fitting here and therefore do not put complete pricing info on each level.