I recently put a Helix 3" downpipe and i notice a weird noise under my car, I think it might be rubbing against the lower sway bar. But does anyone else have that problem??

 

mine was hitting the k-member. had to mark the down pipe and perform the "custom no rub" mod with the hammer. i just flattened it a few mm's and no rubs.

 

Mine does the same thing!!! argghh its annoying.

 

if u did that - ur car must handle like ish now

 

Mine helix dp has no rubbing issues whatsoever.... Do you guys have version 1 or 2?

 

Mine doesn't rub at all either. I've got the newer version though.

 

I posted a similar thread on SoCalEvo. I've got a 3" Helix dp and i have an annoying vibration that I feel through the foot pedals or floor boards. mostly at idle or initial take off or perhaps shutting the car off. I don't have any rubbing issues and it's not hitting anything but its installation has somehow increase the vibrations that i feel in the car. i mean its not really bad but it does annoy me. i'm wondering if there is anything that I can do to make it go away.

 

check how the downpipe connected to the 02 housing if its not on right it will sit on a angle and throw off your hole clearance and will give you vibrations and noises

 

I have version 2 and it rubbs when it's cold especially in the morning.
only in 1st gear and revers

recently I just wrapped it with Termal-Tec warp
and the noise is gone !

 

when mine was rubbing it was beacuse i didnt install the downpipe first i put the downpipe and rest mainly together off the car so i just went under and adjusted the downpipe and put it back on made sure it went on even and it has yet to touch...

 

Ummm...i didn't beat the k-member, i beat the dp. but i seriously hope you were kidding?

 

Thank all of you who wrote on here. I am gonna see if everything is lined up straight with the O2 housing and the downpipe,I hope the rattling noise stops!

 

I dont know which version I got? My friend gave the Helix downpipe to me for free so I thank him for that and now he got a 2.75 downpipe cause that noise thing with the 3" thats why he gave it to me. The Helix downpipe doesnt have that little flex part on there if that helps which version I got??

 

I heard that when you get a test pipe on your car it will throw check engine codes!

 

My Version 2 rubs on the frame tunnel. I made custom spacers with some poly bushings for both cross members because I though it was rubbing there. I need to do the hammer trick too, I just hate the risk of cracking it.