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      01-13-2011, 03:26 PM   #23
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Yeah, I don't know if I'd go any larger than these 88mm tips. I know this is all preferential, but to me it's going to start looking really ricey going any bigger, particularly if they are not double walled tips.
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      01-16-2011, 11:47 AM   #24
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Smilar situation. I like everything about my car, even the orange reflectors. But the stock exhaust tips, not at all. Plus, the trash can size muffler isn't to pretty either. I've looked at many exhausts too. The B&B has the look I'm wanting. Still a little salty for a axle back, but much better look. Do you run any risk of cel lights coming on or anything else that might create a headache. I'm not much of a modder, but I would like to change the look of my exhaust. Are the tips single edged at the end, sort of tapered? I just hate the look of the rolled tip. not really concerned about the sound, although it would be nice to hear a little more note. So far, I haven't seen anything else that I liked enough to spend the money, but The B&B might be the option.
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      01-16-2011, 12:26 PM   #25
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sounds good
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      01-17-2011, 12:54 AM   #26
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You can't get a CEL from a rear section replacement only. Any changes down stream of the O2 sensors will not affect your OBD.
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      01-17-2011, 01:36 PM   #27
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Quote:
Originally Posted by My2010M3 View Post
Smilar situation. I like everything about my car, even the orange reflectors. But the stock exhaust tips, not at all. Plus, the trash can size muffler isn't to pretty either. I've looked at many exhausts too. The B&B has the look I'm wanting. Still a little salty for a axle back, but much better look. Do you run any risk of cel lights coming on or anything else that might create a headache. I'm not much of a modder, but I would like to change the look of my exhaust. Are the tips single edged at the end, sort of tapered? I just hate the look of the rolled tip. not really concerned about the sound, although it would be nice to hear a little more note. So far, I haven't seen anything else that I liked enough to spend the money, but The B&B might be the option.
I actually didn't mind the stock tips, I just wanted more sound. No CELs as others have posted. The bit of "drone" at 2k and 3k may cause you a headache, it just depends on your tolerance level. This system is a bit louder than stock, both inside the cabin and out. The tips are tapered to a sharp edge at the ends, per the pictures. The small can size is a huge improvement aesthetically over the stock box.
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      01-17-2011, 01:46 PM   #28
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Also guys, something else to consider:
I just did 2 track days at AAA Speedway, (4) 25 min. sessions each day. These tips sit pretty close to the rear bumper/valence and obviously get very very hot during track sessions. As such, I did notice that the plastic on both inside edges of the exhaust cut outs in the bumper has moved a little. I think the heat build up "re-molded" the area a tiny bit. It's not a big deal to me and I can't see this actually happening during normal street use. Just a word of caution for those that might want to use a carbon fiber rear diffuser or are extremely anal about their cars.

The car sounded bad-ass at the track when you're running WOT as reported by "aus" on this forum, part of the reason I got this system. I will post some vids in the next week or so. Stay tuned.
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      01-17-2011, 06:00 PM   #29
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It was a good weekend for a track day!
How as running with SpeedVentures?
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      01-17-2011, 08:36 PM   #30
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The weather was perfect. I think the hi was around 80 with a little breeze.

Speed Ventures ran a good event. I attended both days. My PS2s took a beating. Everything was on schedule and was organized. I didn't see any major issues. I ran low-intermediate and med-intermediate group. Their style is a little less formal than CCA for sure, which I liked. You could view the track from many spots on the infield which was cool. I'm not sure on the quality of the instruction because I ran without. I also liked the fact that there were so many different types of cars there, not just mainly BMWs. I'd go with them again for sure.

Last edited by chili cheese; 01-18-2011 at 03:47 PM.
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      01-19-2011, 12:19 AM   #31
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im surprised how close it sounds to the dinan exhaust, very nice
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      01-19-2011, 01:55 AM   #32
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Updated AAA Speedway Track Video

Just updated the first post in the thread to add a AAA Speedway Track Video:
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      01-19-2011, 11:09 AM   #33
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Love that last video.
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      01-20-2011, 03:50 PM   #34
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Love that last video.
Yeah those track events are great. You get to really see what this car is all about. And you get to hear your exhaust when you are going balls out too!
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      01-20-2011, 03:57 PM   #35
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interesting name.
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      01-20-2011, 08:49 PM   #36
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Does anyone know where you can find tips just like these in 80mm?
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      01-21-2011, 12:41 AM   #37
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interesting name.
Are you referring to B&B Billy Boat?
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      01-21-2011, 11:49 AM   #38
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BB Exhaust

I had this exhaust system on my 08 for almost three years and loved the sound every minute. When I took it off the 08 and put it on my 11 it was the same sound except for the little bit of drone at about 2k. my guess is the fwd part of the exhaust system, Cats or whatever, has not settled in yet as the sound seems to be coming from the fwd part of the car. Exhaust went on old car at about 6k miles and on the new car at 300 miles. BTW was removed from 08 car at 50k miles. This is one of the best that I have heard yet. Quality is still to be admired.
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      01-21-2011, 12:43 PM   #39
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Quote:
Originally Posted by MarksM View Post
I had this exhaust system on my 08 for almost three years and loved the sound every minute. When I took it off the 08 and put it on my 11 it was the same sound except for the little bit of drone at about 2k. my guess is the fwd part of the exhaust system, Cats or whatever, has not settled in yet as the sound seems to be coming from the fwd part of the car. Exhaust went on old car at about 6k miles and on the new car at 300 miles. BTW was removed from 08 car at 50k miles. This is one of the best that I have heard yet. Quality is still to be admired.
Good to know about your experience and the drone. For me, the drone certainly hasn't gotten louder and I have about 900 miles on the system now. I love the sound too!
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      01-21-2011, 06:46 PM   #40
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Quote:
Originally Posted by chili cheese View Post
What, to spend $3,500 on an Akra system? Like many others, I'm not willing to spend that kind of money for exhaust. This system sounds better than others I've heard that are twice as expensive.
5600 if you want full lol


Where in SoCal are you?

I'd love to hear it in person at a meet!
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      01-21-2011, 07:57 PM   #41
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I'm in south OC (Ladera Ranch), so not very close to you. I'll make it out to the next meet in Tustin or Irvine for anyone who wants to hear the exhaust.
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      01-21-2011, 10:28 PM   #42
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Let me know when.
I'm getting an itch for another exhaust. B&B or A&E most likely.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      01-24-2011, 08:55 PM   #43
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Quote:
Originally Posted by aus View Post
Let me know when.
I'm getting an itch for another exhaust. B&B or A&E most likely.
I'll let you know for sure. The AE looked/sounded promissing too. The video clips sounded pretty similar to the B&B.
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      01-25-2011, 01:55 AM   #44
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I just saw thıs post today...great soundıng exhaust, and looks damn good too. However, you have caused a bıt of a dılemma for me...everytıme I thınk I have narrowed down my search for the rıght exhaust system someone makes a thread lıke thıs and now I have to start all over...I guess that ıs not such a bad problem to have.
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