Cheap ebay S63\N63 down pipes

[Jax_415]

Originally Posted by frankenm

Got pics of the defoulers?

Sure the tune is not turning it off, I've tried a couple and nothing has worked when running without cats except tuning to remove CEL.

I using Dorman 42009 defoulers

[NicksM]

I just finished installing the Racing Dynamics down pipes roughly 2-3 weeks ago fitment issues are there and they use loose hardware which makes it a pain to tighten if you got by hands. i had issues mating the turbo to it on the driver side which lead to loosening the bolt on the under side and man handling the downpipe to mate it to the turbo and a second pair of hands to set and tighten the b-band. the wire O2 sensor on the driver side is too short so you need to either find a universal o2 with longer wire to use or splice wires to the original one. i saw some DP's on ebay from Poland that i would of tried if i knew of all the issues these ones had.

[Molez93]

Originally Posted by NicksM

I just finished installing the Racing Dynamics down pipes roughly 2-3 weeks ago fitment issues are there and they use loose hardware which makes it a pain to tighten if you got by hands. i had issues mating the turbo to it on the driver side which lead to loosening the bolt on the under side and man handling the downpipe to mate it to the turbo and a second pair of hands to set and tighten the b-band. the wire O2 sensor on the driver side is too short so you need to either find a universal o2 with longer wire to use or splice wires to the original one. i saw some DP's on ebay from Poland that i would of tried if i knew of all the issues these ones had.

Basically identical to my experience, although I paid an indy shop to deal with all that stuff you described. My added "woes" included waiting for ~6-8 weeks for them to actually have any in stock (i.e. supplier needed to make more), after which time I also received a mass marketing email in early October '17 from them about how these downpipes were "in stock" and available at a low price.

[jandref321]

My ultimate-racing DPs weren’t as cheap as the racing dynamics but absolutely no fitment issues and they are fantastic. The O2 bungs line up perfectly and the studs are welded in place for easy install. I recommend them as a cheaper alternative without flex section.

[BoostedNYC]

What's the difference between having and not having a flex section on the downpipes?

[greddy91]

Originally Posted by BoostedNYC

What's the difference between having and not having a flex section on the downpipes?

On the 2010 (and likely all) the downpipes hard attach to a mount just behind the motor that then begins feeding the first portion of you long exhaust piping. My thought when we were installing was... "Sure am glad these have flex sections, because if the motor shifts violently it would really give a hard yank on the turbos."

To me just and added peace of mind... Wasn't too keen on the thought of the downpipes acting as a rear motor mount.

[jellish]

Originally Posted by BoostedNYC

What's the difference between having and not having a flex section on the downpipes?

Less likely for things to crack and reduced vibration and noise in the cabin.