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BMW 3-Series (E90 E92) Forum
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Catless Downpipes In
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01-04-2008, 08:42 PM | #23 | |
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01-04-2008, 09:01 PM | #24 |
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Take on? I still haven't seen any tuned DP dynos showing HP gains, only the stock dynos that are running higher boost.
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01-04-2008, 09:24 PM | #25 |
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+1 agreed. good statement. with a tune dp's really dont show big gains.
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01-04-2008, 09:26 PM | #26 |
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Having not been on the dyno yet with the catless DPs, I'm not sure of the gains. But I'm pretty sure they are there... even with a tune.
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01-04-2008, 09:31 PM | #27 |
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shiv- i hope you do. i want to pull the trigger and order the ur dp's just cant justify it yet. think i should do it regardless?
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01-04-2008, 11:41 PM | #30 |
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01-05-2008, 08:20 AM | #34 |
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01-05-2008, 11:21 AM | #35 |
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Adam,
Any timeline on when Riss Racing is going to come out with their catted DP?
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01-05-2008, 11:35 AM | #36 |
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This is for your recent work Shiv (you know what I am talking about)....
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01-05-2008, 12:15 PM | #38 |
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So are you going to come down and dyno it at Mark's?
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01-05-2008, 02:51 PM | #39 |
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01-05-2008, 03:28 PM | #40 |
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shiv do you expect gains comparable to the gains that I got with my wrx when I got catless downpipes and a vishnu flash + tune?
those were pretty huge gains |
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01-05-2008, 04:50 PM | #41 | |
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01-05-2008, 04:59 PM | #42 |
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take them on for what haha........for a .006 hp difference hah? There is only so much you can do with the DP's on this car. Due to limited space and the design, I predict pretty much all after market DP's will be the same in terms of their design and performance. I mean, what could be different? You've got to be precise about your bends, welds, and piping sizes for these DP's to work...........so where could you possibly implement any significant differences between one after market DP and another. Im talking about catless DP's for THIS car. Not high flow catted ones or DP's for other cars, where you could argue with me and say that "different cats make a difference" for example. Nope, just straight catless.
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01-05-2008, 11:44 PM | #43 |
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i believe all the bends are mandrel.
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01-06-2008, 12:04 AM | #44 |
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Right, you can have mandrel bends and still have welds. They are just in the straight sections between bends.
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