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      09-13-2012, 05:13 PM   #23
ucla bruin
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Quote:
Originally Posted by Orange fever View Post
That thing is louder in person....love ur bbk
Thanks. I think I saw you at EAS dyno day, right? I remember checking out the orange you did on the SC! BBK could be up for grabs soon :/
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      09-17-2012, 11:55 AM   #24
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Quote:
Originally Posted by ROB_S2K View Post
Sounds absolutely amazing. Is it me or is there a big hole on top of the xpipe.
i believe its like a piston shot through the xpipe purely for sound purposes to achieve the a different level of high pitched level i believe! its welded that there are no leaks on it.
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      09-18-2012, 12:20 PM   #25
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Here are some pictures of the F1 x pipe.



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      09-18-2012, 01:14 PM   #26
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great exhaust! I had an Innotech F1 exhaust (serial #101), and loved it, but I wanted to switch things up and sold it for something drastically different (not an exhaust)
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      09-21-2012, 07:18 PM   #27
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Where can i buy?
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      10-04-2012, 02:39 PM   #28
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great review! thanks for the write up! well described and reviewed!
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      10-05-2012, 04:51 AM   #29
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I noticed that the vendor I purchased my innotech axle back from no longer has these exhausts listed on their website.
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      02-04-2013, 12:50 PM   #30
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It's hard to say. Sport setup sounds very exotic, unlike anything I've heard on the e92 M3 before. It will definitely turn heads. It's got a certain amount of high pitch throatiness in the tone with every rev. When you open it up, it's out of this world. Dynoing the car is just unbelievable.

And simply put, F1 setup takes all that up a notch.

I have my F1 x pipe if you're interested.
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      02-04-2013, 07:58 PM   #31
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Nice review. Given the fact that the mufflers are split up (vs oem design) did you measure any noticeable weight savings over oem? To me it sounds like even with the valves closed the exhaust is louder than Akra. Its hard to say because its from a video, however, perhaps someone from EAS can chime in as they have had experience with both.
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      02-04-2013, 08:19 PM   #32
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Thanks. I didn't get a chance to measure the weight and you're right IPE's design splits up the muffler section and connecting pipes. When valves are closed, it is quieter than Akra, actually similar to stock. Very useful when driving family around or avoiding unwanted attention.

PS. Parting out the car, selling my exhaust too if anyone's interested.
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      02-04-2013, 10:08 PM   #33
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Quote:
Originally Posted by ucla bruin View Post
PS. Parting out the car, selling my exhaust too if anyone's interested.
Pm me w some details please..interested. thanks
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      02-05-2013, 12:01 AM   #34
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Wish I had $7k for an exhaust lol
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      02-05-2013, 10:02 PM   #35
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Quote:
Originally Posted by ucla bruin
Thanks. I didn't get a chance to measure the weight and you're right IPE's design splits up the muffler section and connecting pipes. When valves are closed, it is quieter than Akra, actually similar to stock. Very useful when driving family around or avoiding unwanted attention.

PS. Parting out the car, selling my exhaust too if anyone's interested.
Shoot me a PM. Ive always been interested in this exhaust.
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      03-07-2013, 04:04 PM   #36
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is there any drone w the F1 exhaust vs the non-F1??
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      03-07-2013, 04:12 PM   #37
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Really no drone in either version. Both versions sound similar but based on the same design. Almost every other exhaust I've had/heard droned.
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      04-17-2013, 05:44 PM   #38
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OP, are there any measurable weight savings of IPE vs Stock?
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      04-18-2013, 12:12 AM   #39
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Quote:
Originally Posted by Superfly_M3 View Post
OP, are there any measurable weight savings of IPE vs Stock?
The rear section isn't lighter than stock. The X pipe is, but not hugely so, maybe 10-15 lbs.
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