Subaru Recipe For Power
Engine EJ20
Stock Horsepower 224hp
Chef
Crawford Performance
760.631.2927
www.crawfordperformance.com
+25 percent (280hp)
Mix In
* Cat-less downpipe (Bosal)* Air/oil separator (Crawford Performance)* 3-inch cat-less up-pipe (Crawford Performance)* 3-inch after-cat exhaust (Crawford Performance)* Front-mount intercooler (Crawford Performance)* Cold-air intake (Crawford Performance)* ECU tuning on 91-octane gas (I-Speed USA)
+50 percent (336hp)
Preserve downpipe, air/oil separator, up-pipe, exhaust, intercooler, intake, ECU
Mix In
* 255lbh high-flow fuel pump (Walbro)* VF34 turbo upgrade (IHI) * Inlet hose (Samco)
+75 percent (392hp)
Preserve air/oil separator, cup-pipe, exhaust, intercooler, intake, ECU, fuel pump, inlet hose
Mix In
* Aluminum radiator (Koyo)* 2.5L short block with fully forged internals (Crawford Performance) * 630cc injectors (Crawford Performance) * CP32 turbo kit with downpipe (Crawford Performance) * Street Max clutch (Crawford Performance)
+100 percent (448hp)
Preserve air/oil separator, up-pipe, exhaust, intercooler, intake, ECU, fuel pump, inlet hose, radiator, injectors, short block, turbo, clutch
Mix In
* Stage 2 heads and cams (Crawford Performance)
Chef
XS Engineering
714.554.7474
www.xs-engineering.com
+25 percent (280hp)
Mix In
* N1 after-cat exhaust (A'PEXi) * 3-inch downpipe (XS Engineering) * IHI VF23 turbo upgrade (XS Engineering) * Re-flash ECU tuning (XS Engineering) * Cold-air intake (XS Engineering) * Front-mount intercooler (XS Engineering) * 520cc injectors (Denso) * 255lbh high-flow fuel pump (Walbro)
+50 percent (336hp)
Preserve exhaust, downpipe, ECU, intake, intercooler, fuel pump
Mix In
* 680cc injectors (Denso) * IHI VF24 turbo upgrade (XS Engineering) * M2 camshafts (Cosworth) * Short block with forged internals, STI crankshaft in 2.0L or 2.2L stroker, 2.5L OEM short block, or 81mm stroker crankshaft in 2.5L for 2.6L stroker (Cosworth) * Oil pump (Cosworth)
+75 percent (392hp)
Preserve exhaust, downpipe, intake, intercooler, fuel pump, injectors, camshafts, built short block with forged internals, oil pump
Mix In
* GT-RS Turbo upgrade (HKS) * F-CON V Pro engine management (HKS)* Hand ported and polished heads (XS Engineering)
+100 percent (448hp)
Preserve exhaust, downpipe, intake, intercooler, fuel pump, injectors, camshafts, built short block, oil pump, engine management, hand ported and polished heads
Mix In
* Garrett GT30/GT35 hybrid turbo upgrade (XS Engineering)