07-30-2013, 06:15 AM | #29 | |
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And BTW Stay away from Agency Power ive read too many bad things about them from customers on these forums and there quality control seems to be crap. Just do a search and look for there threads and customer threads complaining about fitment. No surprise coming from AP/Vivid. This exhaust looks great though. Only thing is I am wondering about is why they didnt just make it a 2.5 inch all around instead of just 2.36 then split into 2 pipes that are 2 inches. Most exhausts are 2.5 inch, but this is 2.36 but then when it splits into 2 it is only 2 inches. Do they do that because since its seperate piping like 2.5 inches would be too big and actually lose power? Why not make it 2.5 inch all the way or would that be a bad thing for power gains like how a 3 inch exhaust lose power on some cars? Isnt the stock exhaust only 2 inches? I dont see how this gains any power unless the 2 inch piping when split would basically be a freer flowing exhaust since its 2 separate pipes going to 2 separate mufflers. Do you guys get what I am saying? Kinda hard to explain the way I am thinking it out. I honestly would be in love with this if it was 2.5 all way back. I would love to see a dyno for this exhaust. B The exhaust looks nice but it doesnt seem like this would perform that well and probably be just be bought for the looks/sound. For how much it costs and what it does I honestly would rather spend my money on an STI exhaust which sounds/looks better/probably performs the same as this exhaust. But until this exhaust gets dyno'd we wont know. But if someone could explain why they kept the pipes that split into 2 only at 2 inches and not 2.36 or even make the exhaust 2.5 inches from front to back would be nice. Perhaps one of the vendors who know more about making exhausts can chime in on this. Last edited by FR-Sizzle; 07-30-2013 at 06:38 AM. |
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08-01-2013, 12:44 PM | #30 | |
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Can please reupload the photo as i cant see them |
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08-01-2013, 03:23 PM | #31 |
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08-05-2013, 09:59 PM | #32 |
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did a rather impromptu recording with my camera... not a very good recording, but i'll try to get a proper one done soon
[ame="http://www.youtube.com/watch?v=sWzLpPsLFDw"]Greddy GTS V2 Toyota 86 - YouTube[/ame] |
08-05-2013, 11:02 PM | #33 |
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I still think that the m7 is one of the nicest sounding exhausts to date for the brz/frs.
but this thing looks really nice ´
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08-07-2013, 09:55 PM | #34 |
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suscribed
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08-10-2013, 02:29 PM | #35 |
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stock vs greddy
here's another video for you peeps...
stock vs greddy gts v2 [ame="http://www.youtube.com/watch?v=hiQliXimN3M"]Stock vs Greddy GTS V2 - YouTube[/ame] |
08-10-2013, 02:40 PM | #36 | |
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Most jdm exhaust systems are designed in MM's or cms ( the metric system ) 60mm = 2.36
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08-10-2013, 02:50 PM | #37 |
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That sounds great!
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08-11-2013, 05:28 AM | #38 | |
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I want to know why they didnt just make it a 2.36/2.5 inch system the whole way from start to where the 2 pipes split up to 2 inches per pipe, like would the cat back not be effective if each pipe after the resonator was 2.5 inches or wouldnt it perform better if it was like that? But I was wondering since it splits into 2 separate pipes whether or not if it would breathe as good as other cat backs with the same diameter the whole way. Like since it goes from 2.36 to 2 inches per pipe once it splits up would this cat back still perform like a 2.5 inch system since each separate muffler/exhaust has 2 inches for it to breath through rather than just 1 pipe that is 2.5 inches that splits into 2 mufflers at the very end of the exhaust like the HKS and Injen Catbacks. Trying my best to explain what I am thinking of hope you get what I am trying to get at. Other cat backs like the HKS with 2 carbon fiber tips and Injen SES split up towards the end into two mufflers with very little pipe for air to travel from the split to the mufflers where as this cat back splits up at the resonator and the air has a good 3-4 ft before it gets to the muffler in 2 inch piping. In short would this cat back breathe better or worse than traditional cat backs that have 2.5 inch tubing since the piping separates into 2 inch pipes to there mufflers. Other catbacks are 2.5 and split to the muffler but there distance from where it splits is very small, like an inch or two, compared to this cat back where the split of piping travels MUCH further. |
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08-11-2013, 10:04 AM | #39 | |
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08-12-2013, 12:01 AM | #40 | |
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This is one of the few cat backs I would buy that I wouldn't mind if it got less power than other cat backs. Injen SES and the STI cat backs are the only other 2 cat backs I would purchase just for looks and sound as those 2 things are just as important to me than a cat back that gets 2-3 more whp but sounds like a fart can or drones a lot like the evo 3. IMO for any cat back once you get a header and front/over pipe thats where you will see the most gains as thats where the cats are at and if you delete both or keep one cat. As long as the cat back is designed well and is 2.36-2.5 inches in diameter. I like this cat back because it sounds very good and is quiet which is very important to me especially if you get headers and a front/over pipe for this car because those two items will make the car much louder. I beleive that Greddy/Trust designed it in mind that headers and a front/over pipe will not make it sound obnoxious. A lot of cat backs sound really bad once you get headers/front and over pipe. Living in California sound is very important as it can save your ass from getting a ticket and cops to check your modifications in your car. |
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08-12-2013, 02:42 AM | #41 |
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what would this catback be like on a turbo application? like say if i went 2.5" diameter front pipe and down pipe and maybe de-cat, then this cat back. is it bad to go bigger diameter to smaller?
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08-12-2013, 02:48 AM | #42 | |
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Even if it does make a slight difference sacrificing a little power for looks/sound is just as important IMO. The sound of a cars exhaust can be an instant turn off when people see your car from my view. You can have a beautiful car but if your car sounds like a fart can and drones a ton it just ruins it. The way this catback is designed could possibly breathe better than other catbacks IMO that are 2.36-2.5 inches. Just b/c it splits up into 2 separate pipes that are 2 inches each instead of 1 pipe that is 2.36 or 2.5 inches that connects to the muffler or has a Y split that is 1 inch from the muffler. |
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