Stage names vary from tuner to tuner, so treat them as a guide and agree the parts list with a UK R35 tuner before you buy.
Stage 2
Stage 2 usually adds intakes, downpipes, a centre pipe and a tune.
HKS Premium Suction | HKS centre pipe, cat-less (off-road use only) | HKS Metal Catalyser
Stage 3, E85 and the gearbox
E85 needs upgraded injectors and fuel pumps. Higher torque needs upgraded GR6 clutch packs.
Injector Dynamics ID1750X | HKS fuel pump upgrade | Radium fuel hanger | HKS GT5565 turbine kit
Cat-less pipes are for off-road use only.
FAQ
What is a stage 2 R35 GT-R?
It usually adds intakes, downpipes, a centre pipe and a tune, but each tuner defines stages differently.
What do I need to run E85?
Upgraded injectors and fuel pumps, plus a tune from your tuner.
Will the GR6 gearbox need upgrading?
Higher torque needs upgraded GR6 clutch packs. Ask your tuner what your target needs.
Will a cat-less R35 downpipe pass a UK MOT?
No. Our cat-less pipes are for off-road use only. The MOT inspection manual says a car first used on or after 1 September 2002 must fail if original emissions equipment, such as a catalytic converter, is missing. Keep the catalysts for road use.