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06-15-2015, 08:06 PM | #67 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
Was back at the Glen yesterday, here's some better in car videos. I love how the exhaust sounds but I'm definitely over the dB limit for Lime Rock so I may have to swap for something slightly quieter.
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06-15-2015, 08:28 PM | #69 | |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
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I honestly don't think it'll be enough to get be below 89dB. But I love how the exhaust sounds so wondering how may days I realistically plan to do at LRP. There's another muffler (one model "up" that's supposedly quieter, same flow and if anything slightly deeper in tone) that I might try out. I will admit though, the only downside to the current muffler is for the long drives to/from track... it can get a little tiring. Driving around town or short 25 min sessions is no big deal but cruising for 4+ hours can get a little annoying. On a side note, the TCK DA's were truly awesome... didn't even have to set the rebound too high and the car felt tight through the turns. |
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06-15-2015, 08:34 PM | #70 | |
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Interesting you say that. There was sound at the ProSolo and I blew a 87 dB high. The location wasn't the greatest because it didn't catch the car at full WOT at high RPM (more like mid RPM WOT) but that reading is at 50' I can see how the exhaust can get annoying. With my seats down I get annoyed with mine but I have so much crap in the trunk when I travel with seats down it does a decent job at dampening Good to hear the positive results on the DAs. Honestly if I need to crank rebound past half way it's either a crappy lot/site or I suck a driving. The shocks have a ton of rebound adjustment it seems. |
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06-15-2015, 08:49 PM | #71 | |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
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I know Flowmaster isn't popular among the BMW crowd but I really like their stuff. I first took a look at their stuff after seeing Vorshlag install them on their project cars. But here's an overview of their different offerings. I currently have the Delta 40 (right side of the aggressive scale) but am considering moving to the right to something more like the Delta 50 (middle of mild). |
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06-15-2015, 08:58 PM | #72 | ||
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I don't run a muffler now, but sooner or later I'm going to cut out the resonator and throw a muffler in place and reduce exhaust pipe to dump mid car. Have you tried 2 mufflers in series? I know a couple E36s use 2 Burns Stainless Steel race mufflers to keep noise down. Don't know if you can fit that in your routing |
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06-15-2015, 09:18 PM | #73 | |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
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If you remember, the Z4 has rear cross bars. Right now, I have about 1" clearance between my 4" oval muffler and those bars (that's with even a 1/2" metal spacer). When the exhaust heats up the clearance is even less but those bullet style mufflers (6" diameter) would definitely come in contact. I do have a Burns Y-adapter that I picked up from Axiom and it was worth every penny. |
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06-15-2015, 09:50 PM | #74 | |
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I still own mine Just haven't been underneath there much. Gotcha, makes sense. |
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07-12-2015, 11:06 PM | #75 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
Exhaust has broken in nicely over the last month
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08-09-2015, 05:43 PM | #77 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
Thanks bud, I think ours aren't that far apart in tone. Mines just a tad louder lol
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08-09-2015, 06:02 PM | #78 | |
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Well, that's the highest they've gotten me so far. don't want to thread whore, but here's mind for comparison. Mic left and right located above respective taillights. Please ignore crappy driving |
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08-09-2015, 06:20 PM | #79 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
Don't mind it, it's good reference.
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08-09-2015, 08:13 PM | #81 |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
That number reads whatever I tell it as max hp, not a real indicator of power being put down.
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08-12-2015, 12:24 PM | #82 |
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3002, you have been to summit point? How fast do you get on that front straight? I noticed at NJMP you're at like ~125
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08-12-2015, 07:31 PM | #83 | |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
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Last edited by 3002 tii; 08-12-2015 at 08:19 PM.. |
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08-12-2015, 09:17 PM | #84 | |
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08-12-2015, 09:25 PM | #85 | |
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Garage List F15 X5 xDrive35i [8.75]
E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.24] |
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08-13-2015, 07:55 AM | #86 |
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115 mph is pretty slow for the front straight at Summit, that's Miata/E30 territory. I hit 123-125 mph in my E36 M3 (208 rwhp, 3185 lbs).
[u2b]http://youtu.be/XT0Tw_T0KvQ[/u2b] |
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08-13-2015, 09:10 AM | #87 |
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Well, I am a novice driver, and was also backing off on speed since I am not super confident on braking distances. The car could go much faster. Speed was captured via my instructor's phone app.
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08-21-2015, 06:59 AM | #88 |
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3002 tii ,
Do you have a pic of your exhaust layout? I'm going to try and re-work my exhaust and custom fab something for me this winter and trying to plan out. |
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