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10-22-2008, 10:08 PM | #1 |
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Garage List E86 Z4 M [10.00]
F15 X5 xDrive35i [9.17] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.53] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [8.93] |
Stebro Exhaust Review (3.0si)
Cliffs notes:
1. Not a perfect fit for 3.0si so bring to a muffler / exhaust shop that will be able to fab up hangers, adapters, etc. 2. When installing an exhaust, in addition to paying attention to how it low/high it sits, and if the tips are even, also take a glance from the SIDES to make sure they’re sticking out the right length (in my case it could’ve come out an inch or so but I’ve seen other Stebro installs where it stuck OUT too much too) 3. Hear droning, almost “boomy” bet 2-2500 rpms. Anything less it purrs, anything more it growls But I’ll try to post pix and vids of the system tomorrow. Last edited by 3002 tii; 08-11-2015 at 08:13 PM.. |
10-22-2008, 10:11 PM | #2 |
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Garage List E86 Z4 M [10.00]
F15 X5 xDrive35i [9.17] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.53] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [8.93] |
Oh yea, no matter what Dan @ Stebro says, while your exhaust will eventually get here, it never goes out on the shipping date he first quotes. Mine came in 2 weeks and that's considered "fast." I think most others get between 3 - 4 weeks. But for the price and quality, I can't complain.
And even the fitment isn't that big of a deal b/c I think every aftermarket manufacturer advertises their product as one size fits all for all the non-m Zs (although Supersprint might truly be one size that fits all b/c you're supposed to purchase their connector pipe with the muffler)... |
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10-23-2008, 08:56 AM | #3 |
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Thanks for the writeup, very good info for Si owners.
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04-27-2012, 10:16 PM | #6 | |
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Garage List E86 Z4 M [10.00]
F15 X5 xDrive35i [9.17] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.53] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [8.93] |
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I never updated it but after a week or two, the drone got really worse. Others may like it but I didn't so I ended up selling it. If I had to do it again though, I would not have gone this route only b/c Stebro's customer service was so bad and the fact the drone only got worse over time. |
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04-28-2012, 12:12 AM | #7 | |
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04-28-2012, 08:42 AM | #8 |
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Garage List E86 Z4 M [10.00]
F15 X5 xDrive35i [9.17] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.53] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [8.93] |
I went with Bastuck. Unlike the Stebro, Bastuck includes midpipe as well. They offer fitments for both and pre and post-facelift Z4's so fitment is near perfect. They also offer the option of having a resonated midpipe or non-resonated. I opted for the resonated so NO drone but a nice sporty tone.
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04-28-2012, 10:19 AM | #9 | |
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04-28-2012, 10:59 AM | #10 | |
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I paid $450, 825 is ridiculous for just a plain muffler. Another and most likely better option, given the lack of exhaust systems for the Si, would be to just go to an exhaust shop and have them fab you a flowmaster or magnaflow. |
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04-28-2012, 11:07 AM | #11 | |
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04-28-2012, 11:25 AM | #12 | |
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04-28-2012, 11:38 AM | #13 |
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Could you ask him to post up part numbers for what he Used? I searched exhaust threads and could not find his...
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04-29-2012, 04:58 PM | #14 |
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for you it would have to be different as you need a dual in-dual out (or one out) muffler. Us M guys have single in so its going to be different part numbers.
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