Hi,

I just picked up my MY11 wrx from the workshop after having a TBE, intake,springs and tune done.

I noticed during decelerating to around 2000rpm-2100rpm, theres sort of a distinct rattle/resonance at the front passenger side seat(underneath). Is this normal? I called the workshop and they couldn't diagnose it until tuesday because they don't know what I'm talking about.

It's most pronounced in 2nd,3rd and bit of 4th gear.

my forester did this after 3" TBE intsall, turned out to be a poxy bracket for the seat heater plug, worth checking

Could you elaborate further? Thanks

look under your seat for a bracket that is vibrating, can't really be anymore clearer than that mate

From memory the WRX that we get here doesn't get equipped with the heated seats.
Unless the premium models do

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Exhaust hanger hitting something? Get under the car and give it a shake and see if it hits anything, sometimes the clearances are pretty small.. Easier to look at when it's up on a hoist though.

Its strange because it feels like its underneath the car.

If you had a Bosch fuel pump fitted I'd blame that.

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Nope, dont have that installed. I strongly believe its somewhere along the TBE that is resonating/vibrating against another area

99% thats what it is. Tune wont make it vibrate.

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