4efte Racing Plenum
NZD$895.00 ex TAX
MRP Custom made inlet plenum
Application: 4efte / 5efte (Starlet EP Series)
Material: Aluminium tig welded
Velocity Stacks: Proper Bell Mouth shaped billet
Inlet: 60/65/70mm or stock pattern
We can custom build to any length of runner you need to suit your application
Throttle bodies are extra cost see drop down list
We have dyno proven these and shown great gains over other manufactured plenums
For Turbo Engines
1 piece extruded plenum chamber made from 5mm thick aluminium!
The runners, stacks and head flange are all counter bored so all pieces are a slip fit before welding, thus ensuring none of the welds will blow apart!
Mechanical strength before welding makes for a much more robust reliable product.
These plenum chambers enhance the performance of your engine. By increasing the volume and using proper bell mouth velocity stacks.
There can be lead time up to 4 weeks to make plenums – If this is an issue please contact us beforehand.