Exhausts, exhausts and more exhausts...............
We need to somehow put together a matrix of all the exhausts coming on to the market and rate them against certain criteria ie price, hp gains, sound (non rice!) and quality etc.
Anybody got any ideas how we can get all the information together?! So far we have: Borla B&B Greddy HKS JIC Racing Beat (almost ready) ....and I'm sure I've missed some.:mad: |
spintech
magnaflow is soon good idea though |
yes i HATE having to compare sounds looking all over the forum
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Magnaflows, I have them but they sound EXACTLY like the B&B.
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Re: Exhausts, exhausts and more exhausts...............
Originally posted by emack We need to somehow put together a matrix of all the exhausts coming on to the market and rate them against certain criteria ie price, hp gains, sound (non rice!) and quality etc. |
How about loudness? Get a standard test that uses a simple Radio Shack spl meter at a set distance straight behind the car. Do one test at idle and another at a different rpm. Obviously it would be louder if the car were under a load but any differences is db between each system would at least be evident.
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You guys worry way to much about the sound of the exhaust. There is not going to be much of a difference between any of the exhausts listed. They all have similar qualities. The big difference in sound will be when you add a midpipe or remove the cat.
Jason |
Some of those systems are very different from each other. So what you are saying is that if I were to install a fully baffled quiet muffler on one car and a pair of straight through unbaffled loud mufflers on another car, the sound won't be much different? Um, you need to go rethink that one a little bit. One muffler may sound more raspy then others. I've had so many different muffler combinations on my RX-7's through the years and the differences are night and day. This applies to any engine. If every aftermarket company comes out with the exact same product with a different name stamped on it, then your statement would be true.
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Most of these exhaust companies are going for more flow. True there will be a difference in sound depending on the mufflers used but not enough that you are going to be able tell much of a difference. I think most peoples concerns on here is that its not to loud, which non of them are until you remove the cat.
I have heard every exhaust system on an RX-7 and I cant tell much of a difference between them unless they are running a midpipe. Jason |
You've heard every exhaust system on an Rx-7???...hmmm...man i wish I had....
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Sound is too freaking subjective, and db tests don't tell all. So I don't think that'd be of any use.
BUT... there should be a sticky thread on Exhausts, and the only info posted there should be Type, dyno numbers and sound impressions. NO posts like, "This exhaust rocks!" Just legit dyno charts for each exhaust. Does that seem like a good idea? See this board for an example... http://www.is300.net/modules.php?nam...=viewforum&f=2 Just look at all the stickies there, why they are there and the info in them. That way people wouldn't have to search up and down (the sticky part), plus it would be a no-nonsense post with just info about the exhausts and dyno numbers... no bickering or anything. BUT... it would require a moderator to manage it to make sure it doesn't drift off mission. Thoughts? |
Originally posted by racerdave BUT... there should be a sticky thread on Exhausts, and the only info posted there should be Type, dyno numbers and sound impressions. NO posts like, "This exhaust rocks!" Just legit dyno charts for each exhaust. Thoughts? Regards, Gordon |
My midpipe will be here shortly (right Jason?). I'll record some sound bytes stock and then with the midpipe, and then when the racing beat exhaust comes in, i'll record it with the stock muffy and then the racing beat.
Slavearm |
the racing beat exhuast isn't avaiable yet is it ?
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I wanna get either Greddy or Borla. It would be nice if there's a dyno result for Greddy. :)
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Originally posted by racerdave Sound is too freaking subjective, and db tests don't tell all. So I don't think that'd be of any use. BUT... there should be a sticky thread on Exhausts, and the only info posted there should be Type, dyno numbers and sound impressions. |
Ok, so if someone puts this all together in a thread, we'll see if we can get it stickied. Any volunteers?
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Originally posted by Omicron Ok, so if someone puts this all together in a thread, we'll see if we can get it stickied. Any volunteers? |
I will make it a sticky as soon as we get the info.
Jason |
the B&B exhaust makes more power than the Borla...check the dyno sheets elsewhere on this forum...if im not mistaken the borla pipes (not exhaust tips) are around 3 inches or so?? and the B&B pipes are 2 1/2...thats where the loss in power is made...
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more flow equals more noise period. regardless of what the noise is the big ass tips in the back will still make my car an even bigger target for the damn riceroni police.
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the ricearoni police suck and they are everywhere
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'ricearoni police' - that is hilarious!
Xdeed - Question for you - because the pipes are bigger on the borla than on the b&b there is less power in the borla exhaust? Does this have to do with b&b allowing more back pressure due to the smaller pipe? |
Originally posted by bobclevenger E-mail me at bob@bobclevenger.com and tell me what I'd have to do? |
Originally posted by success07 Xdeed - Question for you - because the pipes are bigger on the borla than on the b&b there is less power in the borla exhaust? Does this have to do with b&b allowing more back pressure due to the smaller pipe? |
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