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02-09-2009, 06:00 PM | #1 |
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Howcome nobody has done this yet?
I'm having a hard time justifying the price of the X-pipes currently available for our cars. My main priority is to have a free flowing system without the resonators and cat. Sure, an X-pipe will do the job but IMO everything available is a bit over priced for a pipe that any moron can put together. Its an X-pipe, not really rocket science...
So what I want to try and do is simply cutout the resonators and cats, and replace them with straight pipes. All together it should cost no more then 200$ to get the job done. I did this on my E46 M3. While it did add a ton of volume, the rasp was almost too much to handle. It sounded a bit ricey and I ended up going a different route. However, the E46 was raspy to begin with (we all know several companies that have tried different ways to get rid of the rasp, few were successfull)... What would happen with the new V8? Do you guys think I will get too much rasp? If anyone has tried this please post any comments/videos etc... This video has been on YouTube for a while. I emailed the owner and never got a response as to exactly what he means by "basically stright pipes with magnaflow tips". He might of just chopped the muffler off and got some pipes to come out to the bumper and welded on some tips. I would NEVER want that, its basically a performance downgrade. But he could of also meant that he did what I am trying to do, and is using the stock muffler with some magnaflow tips welded on. I like the sound. I wish we can get some more info on what this guy did. Either way I bet he spent no more then 200$ and it sounded better then most of the aftermarket stuff out there! IMO of course.
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02-09-2009, 06:49 PM | #2 |
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Unique has done this mod.
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02-09-2009, 06:58 PM | #3 | |
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Alot of people on this forum actually have done that. He doesn't have that exhaust setup anymore, it wasn't loud enough for him. He currently has the same exhaust system I have. Elite.
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02-09-2009, 07:26 PM | #4 |
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What do people think a cat delete alone would do for sound/loudness on an aftermarket system like remus sport? I just installed the milltek sport system which I think sounds pretty close to remus sport. Great sound, but a little quiet and I was thinking up taking out the secondary cat. Has anyone tried this and if so how'd it sound? I'm afraid the resonator delete would drone like crazy....Thoughts?
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02-09-2009, 07:46 PM | #5 |
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If you are going to remove the cats, remember you'll get a CEL so you need AA or some other software to erase that. I suggest you remove the 4 cats and leave the resonator in place, then you can change the rear section with a REmus or something else. That should do it.
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02-09-2009, 07:56 PM | #6 |
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I have done the mod using the X-pipe and it sounds a lil raspy. But the sound changes to a whole other level and it just makes the car sing.
http://www.m3post.com/forums/showthread.php?t=203152
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02-09-2009, 07:57 PM | #7 |
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So I already replaced the rear section, but want a little more volume. I thought that removing the secondary cats wouldn't trigger a code (only removing the primary cats does that since they're hooked up to the O2 sensors). Am I wrong?
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02-09-2009, 08:13 PM | #8 |
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You are right, secondary cats will not give you a code. Try it, it will get a little louder for sure. If you remove the resonators, you'll get drone.
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02-09-2009, 08:16 PM | #9 | |
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To the OP You can also just get the Super Sprint x pipe. It deletes the rear resonators and rear cats with an X. Its only 500$ and its bolt on. Problem is deleting the resonators is what causes drone. Thats why AA xpipe just deletes all the cats and leaves the resonators. I would suggest going to an exhaust shop and have them delete your cats and put an x and leave the resonators. I agree the AA X-pipe is nice but not nearly worth the 2000$ they want for it.
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02-09-2009, 08:18 PM | #10 |
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I had an X5 4.6 and did the resonator delete with an X-pipe. It made it a little louder and deeper but very tolerable. I'm also waiting for someone to do this because I'd like a little more volume out of the Bastuck exhaust.
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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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02-09-2009, 10:48 PM | #12 |
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you can an x just helps with even flow... and H pipe would probly sound nice and add some torque
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02-09-2009, 10:51 PM | #14 |
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I had deleted the secondary cats and the reso's,installed a direct pipe instead and the car sound amaizing but still too quite. ill try get some videos
about the CEL no issues with that only if your thinking about deleting the front cats and am willing to do that just wating for my local tuner to get back to me so i could delete the o2 sensors |
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02-09-2009, 10:58 PM | #15 | |
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Heres a great comparison
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02-09-2009, 11:29 PM | #16 | ||
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02-10-2009, 12:24 AM | #18 |
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02-10-2009, 12:41 AM | #19 | |
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02-11-2009, 02:32 AM | #20 |
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So blake are you running any cats?
What do you think of removing the secondary cats and replacing with H-pipe. I would leave in the resonator and swap the muffler for remus race. What kind of sound do you think I will get. I would prefer deeper & throatier over obnoxiously loud and raspy. I do want it to be loud though, dont get me wrong.
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02-11-2009, 12:31 PM | #22 | |
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