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Discussion Starter · #1 ·
HI,

I have a 99 RS swapped with 02 USDM WRX engine. I recently noticed the brake booster vacuum hose used by the previous owner is a collapsed silicon aftermarket hose. Which is the correct OEM kit - the one for the 99 RS or 02 WRX?

Thanks!
 

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98 impreza rs black 06 wrx swap
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The rs one and the 06 wrx from my doner car both fit. Idk if the 02 would be any different. If you still have the rs booster I would try the rs one first. Also make sure you have the valve in the hose with a silicone hose or you’ll blow the booster when you get into boost.
 

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2001 SRP 2.5RS/RA/SOHC Monster
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WRX hose will have a check valve in it. You NEED the check valve. You can use any hose that fits, just make sure to have the check valve.
 

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So I'm curious, when I +t'd my impreza, I never messed with the brake booster/hose. But I also never had any concerns with it, brakes always worked when I needed them to.
 
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