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      08-03-2019, 03:40 AM   #1
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F90 Downpipes opinion

Anyone running Evolution Racewerks primary and secondary downpipes with the high flow cat? Looking for a full set of downpipes but something that retains the cat and won't throw a CEL.

Thanks - Tyson
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      08-04-2019, 10:14 AM   #2
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I am currently running the Evolution pipes with secondary delete and very happy with them. Dealer installed. Worth the power increase to me and the great sound is a bonus.
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      08-04-2019, 02:06 PM   #3
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Sent you an email. High flow cats primary and none on the secondary.
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      08-04-2019, 05:08 PM   #4
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Quote:
Originally Posted by bm5bullit View Post
I am currently running the Evolution pipes with secondary delete and very happy with them. Dealer installed. Worth the power increase to me and the great sound is a bonus.
Are you running an exhaust with that at all? Sounds good on your IG page.

Also, I wonder what the performance difference is on the upper by going high flow instead of catless? Also, wonder if that will still qualify good enough for most stage 2 tunes.
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      08-05-2019, 11:29 AM   #5
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Quote:
Originally Posted by Hockeytyme View Post
Also, I wonder what the performance difference is on the upper by going high flow instead of catless? Also, wonder if that will still qualify good enough for most stage 2 tunes.
Catless will give you more performance since it doesn't have restriction on the exhaust flow.

While for Stage 2 tunes, you have to check with the tuner.
I believe it is do-able.
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      08-05-2019, 02:21 PM   #6
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Quote:
Originally Posted by isanube View Post
Anyone running Evolution Racewerks primary and secondary downpipes with the high flow cat? Looking for a full set of downpipes but something that retains the cat and won't throw a CEL.

Thanks - Tyson
Evolution Racewerks downpipes are top notch. high flow cats will perform the same as the catless on stock turbos.

You will eventually get a CEL from these downpipes
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      08-05-2019, 08:49 PM   #7
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Quote:
Originally Posted by Hockeytyme View Post
Quote:
Originally Posted by bm5bullit View Post
I am currently running the Evolution pipes with secondary delete and very happy with them. Dealer installed. Worth the power increase to me and the great sound is a bonus.
Are you running an exhaust with that at all? Sounds good on your IG page.

Also, I wonder what the performance difference is on the upper by going high flow instead of catless? Also, wonder if that will still qualify good enough for most stage 2 tunes.
I have 2018 M5 with then M exhaust (not the titanium though)
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      08-06-2019, 11:22 AM   #8
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Definitely recommend going with iPE or Keller
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      08-06-2019, 11:28 AM   #9
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Definitely recommend going with iPE or Keller
Do they have a downpipe with high flow cats?
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      08-06-2019, 11:53 AM   #10
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Quote:
Originally Posted by isanube View Post
Do they have a downpipe with high flow cats?
Only iPE not Keller
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      08-07-2019, 05:37 PM   #11
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We make high flow cats, with the best cats in the world, HJS. And I would avoid going with a set that tapers to under 3 inch which will only hurt your performance, so please be careful what you're buying, good luck !!!
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      08-07-2019, 05:39 PM   #12
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Quote:
Originally Posted by J@WB View Post
Definitely recommend going with iPE or Keller
Thank you J ! We do make high flow cats using best cats in the world -HJS, but on over 100 sets sold we've had only 2 or 3 inquiries so we make it per request, everyone usually wants catles for known reasons lol
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      08-08-2019, 07:50 PM   #13
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I have MSR Full 3.5 Downpipes (Uppers/Lowers) Catless for me lol
But +1 on Keller, I would just pair it up with a tune to eliminate the CEL
PM if any questions

so worth it !!



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      08-09-2019, 07:30 PM   #14
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ER downpipes FTW. Sounds amazing with stock setup
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      08-12-2019, 05:05 PM   #15
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Quote:
Originally Posted by ///M ARMY View Post
ER downpipes FTW. Sounds amazing with stock setup
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      08-26-2019, 08:30 AM   #16
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Quote:
Originally Posted by FSociety View Post
I have MSR Full 3.5 Downpipes (Uppers/Lowers) Catless for me lol
But +1 on Keller, I would just pair it up with a tune to eliminate the CEL
PM if any questions

so worth it !!



Is that on stock exhaust? Do you have any other vids inside and outside driving please?
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      09-03-2019, 07:31 PM   #17
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Quote:
Originally Posted by ///M ARMY View Post
ER downpipes FTW. Sounds amazing with stock setup
Vids of this?
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      09-03-2019, 08:17 PM   #18
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Quote:
Originally Posted by yellowssm View Post
Is that on stock exhaust? Do you have any other vids inside and outside driving please?
yes stock exhaust, i'll post some more videos
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      05-11-2020, 07:58 PM   #19
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Quote:
Originally Posted by KellerPerformance View Post
Thank you J ! We do make high flow cats using best cats in the world -HJS, but on over 100 sets sold we've had only 2 or 3 inquiries so we make it per request, everyone usually wants catles for known reasons lol

Will installing just secondary cause CEL to be lit?
Also how is the sound difference between primary+secondary vs secondary only?
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      05-11-2020, 08:07 PM   #20
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Quote:
Originally Posted by isanube View Post
Anyone running Evolution Racewerks primary and secondary downpipes with the high flow cat? Looking for a full set of downpipes but something that retains the cat and won't throw a CEL.

Thanks - Tyson
Tyson

Here are primaries and secondaries on my car





Those are evolutions Racewerks !

They are great ..

I might be selling them because I might be getting large diameter ones

Are you interested in mine possibly ?

These are catless sorry :/
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      05-11-2020, 08:36 PM   #21
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Quote:
Originally Posted by JBA87 View Post
Quote:
Originally Posted by isanube View Post
Anyone running Evolution Racewerks primary and secondary downpipes with the high flow cat? Looking for a full set of downpipes but something that retains the cat and won't throw a CEL.

Thanks - Tyson
Tyson

Here are primaries and secondaries on my car





Those are evolutions Racewerks !

They are great ..

I might be selling them because I might be getting large diameter ones

Are you interested in mine possibly ?

These are catless sorry :/
In the video you posted with the other M5, I assume it's stock and you're running DME tune and downpipes. Correct?
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      05-12-2020, 05:15 AM   #22
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Yes. DME Tune (no exhaust burble)

ER Primaries and Secondaries

Everything else is stock
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