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N55 Completely Stock With Vishnu Downpipe Dyno
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04-27-2011, 01:38 PM | #1 |
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N55 Completely Stock With Vishnu Downpipe Dyno
Hey Guys!
Just wanted to give you guys an update on my Vishnu Down pipe! Install was a bit of a struggle as getting the V-clamps on was difficult but once I got it all aligned it was a snap. Once installed I fired it up and with my stock exhaust The car sounded amazing! anice deep throaty tone with no resonating inside the cabin. Took it for a drive and could def feel something on the butt dyno but of course it might have been the placebo effect . luckily enough I had a dyno scheduled the next day. Here are the numbers. I was really amazed on how much power it made. whats even more interesting is the guy operating the dyno said I could of made even more power if mine was a Manual transmission or DCT apparently the automatic when he was dynoing would kick down too many gears which made things a bit more difficult Def excited with the car and the Vishnu Downpipe cant wait to save my pennies and get a PROcede. |
04-27-2011, 01:49 PM | #2 |
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yeah buddy... 50whp gains at ~6200rpm. Looks like the design works
Could you email shiv (shiv@vishnutuning.com) the .drf files? We'd love to get a bone stock to bone stock+dp result for our website. |
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04-27-2011, 01:55 PM | #3 | |
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04-27-2011, 02:02 PM | #4 |
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Vishnu Designed Downpipe
Wooooooowwwwww Simply WOOOOOOOOW. That power output with just downpipe is amazing. I can say that Vishnu definitely know what they are doing. Only wish if they started making parts for our BMW market earlier. I believe n54 guys would love to run Vishnu downpipe if they had one knowing how much R&D and time they spent on developing a quality and functional products.
I have had used two other tunes before on my n54 and i couldn't be happier with the Procede. Vishnu FTW and keep up the good work. |
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04-27-2011, 02:07 PM | #6 |
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Sweet results Now just think plus another 60 ft/lbs of torque with the procede!
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04-27-2011, 02:12 PM | #7 |
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Damn that is down right impressive. Amazing that just bolting this one part on you see that much of a gain. I will be ordering one of these in no time. I simply cannot resist.
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04-27-2011, 02:27 PM | #8 |
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nice
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04-27-2011, 03:16 PM | #10 |
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Nice!!!
Can't wait for mine! |
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04-27-2011, 03:23 PM | #11 |
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dammmmm , i didnt even notice that calvin. The peak numbers are one thing but the boost maintaid after 110 mph. Great job sake. You made more then I did.
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04-27-2011, 04:03 PM | #12 |
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nice! I gotta say, I love my vishnu dp.
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04-27-2011, 04:42 PM | #14 | |
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04-27-2011, 04:43 PM | #15 |
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congrats Sake -
u pick'd out two big bugars, now ur not congested. Paul go dyno ur E92 now so when ur DPs come in this weekend u can dyno after.
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04-27-2011, 05:56 PM | #18 |
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I'm suspicious of those dynos. The two runs are not the same tune. If they were the stock dp would be a huge restriction on the stock tune which it isnt. I'm suspicious of the peak differences as well for the same reasons.
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04-27-2011, 07:38 PM | #20 | |
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But if we must compare, you can peek at this: http://www.e90post.com/forums/showthread.php?t=505867 Even running the stock tune (with downpipe, cat-back and chargepipe), the car put down over 300whp at 6500rpm. No top end roll off at all. That's from the downpipe. |
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04-27-2011, 07:43 PM | #21 | |
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On the dp dyno he reved it out to almos 130, which is the end of 4th gear, 7k. How is he holding that much power with no tune? |
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04-27-2011, 07:47 PM | #22 | |
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