weird sound

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Jun 13, 2005 | 02:44 AM

WrsExX

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weird sound

hey, today i installed my Helix Downpipe,Helix Upipe and Gruupe s headers.
it feels fine and all but one thing was bothering me. When i was reversing at a low rpm. There is a knocking sound under the passanger seat.it also shakes a little. it only happens when im on a low rpm (e.G) reversing into a parking space. tips would be nice THANKS!

Jun 13, 2005 | 09:07 AM

VIBEELEVEN

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Posts: 5,120

From: Napa, Ca.

Car Info: 03 WRX

Gotta be the dp banging on something, did you remember to bolt it to the tranny? Check and see how much clearence you have.

Jun 13, 2005 | 05:53 PM

slvrsubywgn

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Joined: Jan 2005

Posts: 2,168

From: EBAIC- Wondering if I should have taken the blue pill...

Car Info: 03 WRX wagon type RA

Yeah go with Vibeeleven's advice. I have an ERZ dp and ever since I installed it it knocks on my tranny crossmember when I take tight turns above say, 50 or so. And just lately it started to knock when I turn my car off. I guess it's a common thing with ERZ downpipes. I dunno about yours, but that is what it sounds like. I had to modify the dp bracket to make it stop, but I guess I still have alittle adjusting to do. If you have questions or want pics on how to modify it, you're more than welcome to pm me.