As with any mod, always an increased risk of something going wrong, in this case, fairly unlikley it would or could be a direct cause of a failiure, unless the the car was on a shit tune to start with...

I would recommend a retune for anyone doing more then 1.2 bar boost, as yes- this will cause boost to come on earlier and hold onto it longer.

Wrx and sti bovs are the same.

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Long live the WRC

Ran this mod on my old MY05 with great success! 2 bar is your friend guys

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[COLOR="Gray"]550Nm off a 2L... Just wish it was in the dak dak...[/COLOR]

Looks like an M6?

Nice one Stace! Will try this too!

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Huge range of extinguisher brackets for cars!

http://kap.industries/

Great mod for any 99+ models. What is the general consensus on the factory plastic unit on the V3/4?

Lend any credence to the "crushing" mod for a stock bypass valve to hold more/higher boost?

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[B][COLOR=red]Jerk of the circle.[/COLOR][/B]

From memory its a 3/8th grub screw. I have bag full of them left over at home after we did mine, staces, ballstics. I also bought a good tap & die kit. So while this "cost" me more than $10, its about $0.60 for the actual part.

and yeah, noticeably snappier throttle/boost response. Will try find the exact part tonight

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MY93 Impreza GX 1.8L, 0hp, 0nm

Also you might just want to dab a drop of loctite thread locker on the thread.

I'm gonna do this today....Is it worth it on a stock car?

^ wondering same thing

I read this as it's only applicable for when the car has been tuned past 1.2 bar (17.4 PSI) because the diaphragm is still holding pressure at anything under 1.2 bar.

I think I'll ask RT to do this when my VF34 is fitted and tuned next month though, cheers for the tip!

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Ryan