6 April 2008, 13:34 in Cars
Evo IX mods
For a while I have had some modifications in mind for my Evo IX. Over the Christmas period I finally got around to having some of the work done, which included the following:
Engine
- Raceworks dump pipe, front pipe, cat converter
- Trust PE Ti-R titanium exhaust
- K&N panel air filter
- HKS EVC V electronic boost controller
- Walbro fuel pump (255 L/hr)
- Ralliart MR BOV
- Ceramic coating of dump pipe and front pipe
- Just JDM intake pipe
- Plazmaman intercooler piping kit (stealth black)
- Verso ECU reflash & dyno tuning
Handling
- Cusco carbon fibre rear strut brace
- Whiteline rear sway bar
- Kings high-performance lowered springs
Braking
- Ralliart Brake Booster Support
- Ballys braided brake lines
Interior & Audio
- Defi boost gauge & control unit
- Carbon fibre pillar-mount gauge pod
- Alpine CDA-9887 CD/MP3 head unit
- Pioneer front splits
- Sound deadening in doors (Dynamat)
- Mount HKS EVC display under head unit
- Power cable for radar detector (from ceiling next to rear view mirror)
Aesthetics
- Window tint
- Beatrush rumber plate relocater
- UK-style “EVOLUTION IX” rear badge
In standard form the car made 199 hp (148.5 kW) at all four wheels. After engine modifications and tuning, it made 264.8 hp (197.5 kw), which is a 33% gain. Assuming that in standard form the engine made 208 kW (as per the specifications), it should now have about 277 kW. It feels like it has a lot more midrange and is really willing to go. The HKS EVC has two boost settings, 1.1 bar and 1.6 bar.
Here are two dyno sheets. The first shows power and torque in tuned form, and the second shows standard vs tuned power.
The head unit install allows me to play MP3s from CD-Rs which is convenient, and the combination of better front speakers, more amplifier grunt, and sound deadening have improved the sound a lot. Unfortunately this is largely offset by the loud exhaust system.
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Wouldn’t mind seeing the Evo in action! You take it anywhere for circuit driving?
— PC Apr 8, 12:11 am #
I want to do some more driving courses (the AHG one I did last year was great) including some at Barbagello, and really learn to use the car, but I don’t have any plans to race or anything.
— Phil Apr 8, 09:42 pm #