Exhaust Size. 2.25" or 2.5"?
Nov 8, 2006, 04:07 PM
#16
Originally Posted by MITVRX
The shop recommends 2" exhaust, otherwise I'll lose alot of low end torque. They said "Do you want top end performance or driveability?"
Top end 2.25" - 2.5"
Driveability 2.0" - low-mid-high
Do you think I should go 2 or 2.25?
I won't go 2.5 or larger..
Top end 2.25" - 2.5"
Driveability 2.0" - low-mid-high
Do you think I should go 2 or 2.25?
I won't go 2.5 or larger..
If you are planning on staying N.A then you would be best off having a 21/2" press bent if you want to go all out on N.A then get it mandrel bent if you are wanting to go turbo then a either 3" press bent or mandrel bent depending then on how much hp and how much of a race car you want
As for mufflers I would deffinately go for the Lukey Ultra flow as it is a really nice sounding not tinny and crappy I have never used the Magna flow so I can't comment on that one
Nov 9, 2006, 02:19 PM
#18
well again you would be wanting to have the exhaust and the muffler the same size - as soon as you start down sizing you immediately cause a restriction so if your exhaust piping is 21/2" wide then you muffler should also be 21/2" wide and the muffler should also be of a internal design were it is almost straight thru - should have a very slight kink in it to help reduce noise level but still very good flow- straight thru will give good flow but noise level will increase this is why I went for the Lukey Ultra Flow
Nov 9, 2006, 07:55 PM
#21
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Originally Posted by MITVRX
Okay I'll get a 2.5" piping with 2.5" muffler? But 2.5" muffler isn't that too big for a N/A car?
what makes you think thaT?
Nov 10, 2006, 12:09 AM
#22
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mitvrx, im looking for exhaust aswell. im going to go 2.5" from the cat back - as i plan doing a turbo job in the future - , but dont know what muffler to get (magnaflow or lukey): lol maybe we should go one brand each and compare, lol ...
anyways keep us informed on where u get it done and price please
(btw what state u in?)
anyways keep us informed on where u get it done and price please
(btw what state u in?)
Nov 10, 2006, 06:46 AM
#23
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Im in Sydney.
Yep I'll notify you. If I get lukey or magnaflow, it will be both the same brand, don't want to mix brands really.
I'll get 2.5". Take it from there.
Yep I'll notify you. If I get lukey or magnaflow, it will be both the same brand, don't want to mix brands really.
I'll get 2.5". Take it from there.
Nov 12, 2006, 06:51 PM
#24
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So today I went to the exhaust shop and they said to stick with the stock piping and just change the muffler only. He said the stock will keep the low end - mid end and driveability on the car would be at its best if I stuck with the stock exhaust piping.
He said 2.25" and even 2.5" was too big for the car. He said it would not be worth it as alot of low end power will be lost and the top end power will be very very minimal. On the other hand he said that it would be much better to just change the muffler to free up some hp. (btw this guy is very respectable in Sydney). He said "You know, if you want 2.5, I can do it no problem, but I'm telling you now, if I do it for you, you'll be wasting your money *shows hand gesture of ripping up money*) He said most exhaust shops just want money but I don't care about that, I care about whats best for the customer. Then he went on to say that if you want it, I can do it but I'm telling you your wasting your money.
For some reason, when he was testing the magnaflow exhausts/ xforce etc... the sound was very raspy (wet fart in a tin shed - lol) and it was not good at all. He said its possible the extractors could be causing the raspy sound..
We tried twin loop xforces, canon magnaflows and always raspy..
help???
He said 2.25" and even 2.5" was too big for the car. He said it would not be worth it as alot of low end power will be lost and the top end power will be very very minimal. On the other hand he said that it would be much better to just change the muffler to free up some hp. (btw this guy is very respectable in Sydney). He said "You know, if you want 2.5, I can do it no problem, but I'm telling you now, if I do it for you, you'll be wasting your money *shows hand gesture of ripping up money*) He said most exhaust shops just want money but I don't care about that, I care about whats best for the customer. Then he went on to say that if you want it, I can do it but I'm telling you your wasting your money.
For some reason, when he was testing the magnaflow exhausts/ xforce etc... the sound was very raspy (wet fart in a tin shed - lol) and it was not good at all. He said its possible the extractors could be causing the raspy sound..
We tried twin loop xforces, canon magnaflows and always raspy..
help???
Nov 12, 2006, 07:58 PM
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Originally Posted by str8kor
personally i don't think 2.25 or 2.5 inch will give you that much difference compared to the stock exhaust, i went w/ the 3 inch. plus it's louder
Okay, lets say I go 2.5, now tell me why? I mean, the extractors are 44mm, so should the piping be consistent? Or is it okay to change from 44 mm to a 2 1/4" pipe?
Nov 13, 2006, 08:50 AM
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Go 2.5 and lose bottom end. I felt no difference with my pressbent 2.5" (which necks down) vs my 2.5" mandrel in the top end. The bottom end was about the same. If anything the mandrel was better in my case only because it did not leak and has a bit more back pressure when compared to what I was running on my 2.5" pressbent system which was an Ebay special muffler.