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11-21-2011, 10:56 AM | #23 |
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Would I be correct in assuming that for our supercharged application, the biggest performance gain would come from replacing the cats of section 1 with the DKF resonators and H pipes?
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11-21-2011, 02:58 PM | #25 | |
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ok roffle.... i think for us the Best option would be, s-pipe, race cats, sport rear mufflers... This way we will get a nice sound and maximum flow, we will also keep some much needed back-pressure, being supercharged, we *could gain a good 30 crank Hp here, but will we loose valuable Tq??? i honestly dont know..... The race cats being 100 cell will be the part that nets us our gain..... we stand to REALLY gain from this exhaust roffle.... Big time... not to mention drop some weight....... Will this work with our sensitive tunes???? who knows?? ESS told me they feel the stock Euro system is about as good as it gets for the s54 and they feel bmw made an amazing system...... i do agree they did an awesome job... but their can always be improvements.
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11-21-2011, 02:59 PM | #26 |
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Chris, awesome work with this thread..... this will answer all my questions for me to move forward.........
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11-21-2011, 03:55 PM | #27 | |||||
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update
Update: Added several photos to post number 4 related to component weight. More to come soon. Race cats and new hangers should be here on the 22nd
welcome Quote:
I hope to make Mfest this year too (fingers crossed) Good chance we may miss it again. The baby is due in mid March Quote:
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There are quieter options avail. I just tend to lean toward the ear punishing side of the spectrum most of the time. Quote:
In regards to the tune, I talk to AJ with ESS about the exhaust system. He stated that the tune for our SC cars is actually more adaptive than the OEM tune. He believes that as long as our sensors are in place, that this system will be no problem. The proof will come with time and Dynos, but it was encouraging to here this new from the guy who writes the ESS tunes Quote:
Update: Added several photos to post number 4 related to component weight. More to come soon. Race cats and new hangers should be here on the 22nd
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11-21-2011, 04:14 PM | #28 |
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Here's to hoping the Street cans are not as loud as Diablos....
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11-22-2011, 03:48 AM | #30 |
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Top thread mate. Looking forward to pouring over all the data and to reading your impressions.
Not much you guys can say but do you think this system will offer gains on an otherwise stock naturally aspirated car?
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11-22-2011, 05:01 PM | #31 |
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Fuck it...... DKF put me down..... im in.
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11-23-2011, 07:03 AM | #32 | |
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They should be. I will do DB testing along with video clips to give you an idea of their tone and volume
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Hey Byron, I am picking up the 100 cell cats today, so I will be able to test the system you have been asking about
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11-23-2011, 09:55 AM | #33 | |
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11-23-2011, 10:14 AM | #34 |
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You do amazing work! Thank you. This is what I expect to see from vendors that want to sell their parts, especially if they make any specific claims about hp gains and weight reductions.
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11-23-2011, 04:05 PM | #35 |
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I've been trying to avoid this thread, because I know where it leads. awesome work Chris! I wish we had something this detailed for us NA guys.
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11-23-2011, 05:05 PM | #37 |
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FWIW, here are the results of my OEM exhaust weight. Not a digital scale but was consistent with our digital one until it broke.
Muffler (x2): 22lbs Xpipe: 15lbs |
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11-27-2011, 12:54 AM | #38 | ||||
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If the system works as designed, the drone will be greatly reduced and possibly eliminated. If this is the case, then would be able to run a system just as loud as our RPI's but without the head pounding effects of the drone. All the raw motor sport burbles and pops during deceleration and down shifting, the same primal growl at WOT, and none of the headache. Win, Win Quote:
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I will pass that along to DKF Thanks Quote:
Thanks for adding it in Update Post #2: -100 cell race cats -New section added for DKF Hangers -New section added for DKF adaptor and connecting elements for OEM interface Update Post #4: Weights for 100 cell cats and new Hangers added
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11-27-2011, 01:13 AM | #39 | |
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Another stellar thread by Chris! Thanks Chris. Incredible thread as usual! Last edited by Finnegan; 11-27-2011 at 01:19 AM.. |
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11-27-2011, 08:14 AM | #40 |
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Rasp is the other concern for me.
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11-27-2011, 11:17 PM | #41 | |
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Reviews and videos of the DKF systems coming soon since I am finally done with dynos/videos/weights for the OEM stuff as of this weekend Update: Group buy pricing released by DKF and GB interest listed started on page 1 Post #9
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