Stage 1
K&N high performance air filter kit
3 inch down pipe
3 inch exhaust
*Optional* Test Pipe
*Recommended* 12 volt mod for fuel pump
Stage 2
Stage 1+
HKS BOV kit, or equivalent
3 inch turbo elbow
Boost controller
12 volt mod for fuel pump
*Recommended* Shocks and springs
*Recommended* Brake upgrade (pad's, and or lines)
*Highly Recommended* 3 inch test pipe, or high flow cat
Stage 3
Stage 2+
Intercooler Kit
Hard Pipes
Metal head gasket (required at this stage, may be needed for earlier stages)
ARP head studs, or bolts (studs recommended)
Walbro 255 LPH fuel pump
*optional* Fuel pressure regulator
Stage 4 TUNING REQUIRED (Wideband, on a dyno)
Stage3+
Upgraded CT-26 (stock) turbo (57, 60, 60-1 trim)
Lexus AFM
RC 550 cc injectors
Fuel controller (e-manage, Super AFC, F-con)
Upgraded clutch (spec stage 2 or greater)
*Highly recommended* Bigger brakes
*Highly recommended* Coil Over's, and sway bar's
K&N high performance air filter kit
3 inch down pipe
3 inch exhaust
*Optional* Test Pipe
*Recommended* 12 volt mod for fuel pump
Stage 2
Stage 1+
HKS BOV kit, or equivalent
3 inch turbo elbow
Boost controller
12 volt mod for fuel pump
*Recommended* Shocks and springs
*Recommended* Brake upgrade (pad's, and or lines)
*Highly Recommended* 3 inch test pipe, or high flow cat
Stage 3
Stage 2+
Intercooler Kit
Hard Pipes
Metal head gasket (required at this stage, may be needed for earlier stages)
ARP head studs, or bolts (studs recommended)
Walbro 255 LPH fuel pump
*optional* Fuel pressure regulator
Stage 4 TUNING REQUIRED (Wideband, on a dyno)
Stage3+
Upgraded CT-26 (stock) turbo (57, 60, 60-1 trim)
Lexus AFM
RC 550 cc injectors
Fuel controller (e-manage, Super AFC, F-con)
Upgraded clutch (spec stage 2 or greater)
*Highly recommended* Bigger brakes
*Highly recommended* Coil Over's, and sway bar's
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