Best Downpipes recommendation for e92 335i?

AJG

Well-Known Member
What would be the best downpipes to be fitted to my e92 335i.

I currently have quad sport eisenmann exhaust, jb3 and gruppe m installed in my car?
 
Re: Best Downpipes recommendation for e92 335i?

Ultimate Racing, looks like stock for the uncoated version.... check with Boss.
 
Re: Best Downpipes recommendation for e92 335i?

Ultimate Racing downpipes it is man for the Ultimate Pariaj Driving Machine. I also hab this one. Last week I feel like dekitting to sell. Now I not so sure.

Mi Ni Mai Ni Mi Ni Mor, Sell or Keep or Keep or Sell, Mi Ni Mai Ni Mi Ni Mor
 
Re: Best Downpipes recommendation for e92 335i?

The US forums guys are voting for ar Design catless downpipe!
 
Re: Best Downpipes recommendation for e92 335i?

have ultimate racing in the 135. flow very smooth throughout entire rpm range with no hesitation during hard acceleration even when extermal temp up to 34c. best is to combine downpipes + quads + x-pipes and, if you are able to wait, have the downpipes ceramic coated for even better flow.
 
Re: Best Downpipes recommendation for e92 335i?

Physicist;577613 said:
Cat or De-Cat is the next question? LOL

This is something I've been pondering on.

Wondered if anyone passed inspection with just one cat in the stock exhaust?

Heard a car with a decatted aftermarket downpipe and stock exhaust and I must say, it sounds nice. There was actually no need for an aftermarket exhaust.
 
Re: Best Downpipes recommendation for e92 335i?

Passed inspection with Felix? No way. Swap back stock and go for inspection.
 
Re: Best Downpipes recommendation for e92 335i?

kenntona;577623 said:
Passed inspection with Felix? No way. Swap back stock and go for inspection.

not sure about downpipe
but my friend just passed his inspection with straight thru..........his is SLK though.
 
Re: Best Downpipes recommendation for e92 335i?

Hey,

Currently running on eisenmann quads sports exhaust.

Planing to run AR downpipes cat-less.

What else piping should i run under like any other race pipes etc.
Get really confuse with the exhaust systems that works on my 2009 e92 335i.



Is it possible to change any other parts to increase performance and create a better sound/growl?

Please recommend me what else should i run and where i could get a good deal from.

Thanks in advance
 
Re: Best Downpipes recommendation for e92 335i?

running UR downpipes with cat delete and Milltek's full catback exhaust

exhaust smell damm funky esp when stuck in jam.

should i revert back to stock DP w CAT or should i buy another set of UR DP w hiflow cat or weld on an aftermarket hiflow cat ?

suggestions pls?

running on JB4/STETT intake
 

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