03-18-2014, 04:16 AM | #67 |
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I got mine done too with catless downpipe. Sounds awesome no drone not too loud.
Spot welded half the holes took out all the packing and welded it back
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03-18-2014, 04:59 AM | #68 | |
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What do you think about the overall sound vs. an actual cat back?
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03-18-2014, 09:30 AM | #69 |
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I should have mine done tonight and with a catless downpipe installed. Only other difference is I'm missing 2 cylinders so hopefully it still sounds good. I'll post a sound clip within the next couple of days.
Last edited by TurboM; 03-18-2014 at 03:01 PM.. |
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03-18-2014, 11:12 AM | #70 |
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why not just remove it completely? you are doing pretty much that but with much more work
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03-18-2014, 02:10 PM | #71 | |
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BUT and it's a big but, it's too loud inside, and drones like crazy.
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03-18-2014, 03:17 PM | #73 |
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understood, yea about half price but tons of more work time, but its no biggie when you like it, post a sound clip
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03-18-2014, 10:31 PM | #74 | |
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03-19-2014, 02:05 AM | #76 |
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03-19-2014, 09:32 AM | #77 | |
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Mine sounds just like that without the turbo spool. Great job man. What do you think of it? Definitely saved you some cash.
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03-19-2014, 12:25 PM | #78 |
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Thanks, I love it honestly. It's not too loud with no drone. But i can say after you add the downpipe its soo much louder. The crappy video i took doesnt do it justice. It will be a lot louder. The turbo spool is a plus
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03-19-2014, 01:35 PM | #79 | |
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Did you leave the spring on the flap?
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03-19-2014, 05:17 PM | #80 |
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it does indeed sound awesome. I took out the plug and ziptied it.
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03-20-2014, 11:24 PM | #81 |
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Thanks for all the info this dd1981, I'm gonna give this a try here in Italy. I'm USAF stationed out here and its a pain in the ass getting stuff sent here (like big exhaust boxes) so this is the next best thing which really doesn't sound to bad at all. Quick question do you by any chance have a part number or anything of the exhaust clamp/coupler you used? Thanks.
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03-21-2014, 12:32 PM | #82 | |
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You can always call a BMW dealer in Germany and Im sure they can accomodate a freight box to Italy. Its not that far. But yeah give it a go. Im glad more people tried it and seem to be very very happy with the sound.
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03-21-2014, 06:21 PM | #84 | |
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03-21-2014, 07:16 PM | #85 |
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Yup, here you go. N20 with aFe downpipe and modded 335i muffler, light/moderate revs to 3k and 4k RPM, warm start (didn't want to annoy the neighbors too much). The 2nd video is prior to the muffler mod (colx start).
Prior to muffler mod (N20 with unmodified 335i muffler and downpipe) - Cold start: Last edited by TurboM; 03-22-2014 at 08:25 AM.. |
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03-21-2014, 10:29 PM | #86 | |
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It sounded great with just the stock 335 muffler mod, but then it just transformed into a whole different animal after you sealed the tubes. Exactly how mine took shape, went from a nice stock sound to a great note and every rev has endless burbles and the overrun louder and meaner. Sounds great man. can't beat the sound for the price
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03-21-2014, 10:42 PM | #87 | |
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03-22-2014, 02:11 AM | #88 | |
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