Exhaust questions - Performance Forum

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Exhaust questions
Monday, January 09, 2006 9:40 PM
Okay, I'm getting a cat back done this weekend at a minekei (spelling?)
Should i get 2.25 or 2.5 piping?
I already have a muffler but its big ugly and bulky what kind of muffler should i get?

Thanks

Re: Exhaust questions
Monday, January 09, 2006 9:55 PM
Most will say go 2.25 if your going NA and 2.5 is your going boost. If possible get mandrel bends, if not get compression, do NOT get crush bends.

For the muffler thats all up to you, Most go with magnaflow, but you can do whatever you like. Magnaflow, Borla, Flowmaster. your choice.

Hope you exhuast turns out good guy. Good luck.



Re: Exhaust questions
Monday, January 09, 2006 10:02 PM
2 1/4" is big enough.

Also, make sure you tell them you want compression bends (I doubt they do mendrel bends). If they say they do only crush bends, take your car somewhere else.



www.kronosperformance.com / 732-742-8837

Re: Exhaust questions
Monday, January 09, 2006 10:05 PM
Whats the diff between mandrel and compression bends?
Re: Exhaust questions
Monday, January 09, 2006 10:13 PM
mandrel bent tubing stays a unform circle through the bend, and compression bent tubing become more of an oval rather than a circle through the bend. its more of a looks and preference thing and won't make a difference as far as performance goes unless your pushing some serious power.


Re: Exhaust questions
Monday, January 09, 2006 10:16 PM
Zypher wrote:Whats the diff between mandrel and compression bends?


I'll try to explain this the best I can...

Mandrel bends are made with an special machine, actually it's much more expensive than other machine benders. Mandrel bends are guaranteed 100% to be the diameter you want at the bend...basically...it makes a perfect bend. This is especially good for people with boosted applications who really need to make sure that there is no restriction on their exhaust system.

Compression bends do the same thing on a different machine but there is more of a chance of being slightly off at the bend than mandrel bends. I guess you can say, a little bit room for error but I believe this goes more as far as who is doing the bending. This is still suffice for what you want out of your exhaust system.



www.kronosperformance.com / 732-742-8837

Re: Exhaust questions
Monday, January 09, 2006 10:16 PM
A mandrel bend is a bend that streches the outside of the pipe which maintains the pipe diameter, Its a smooth bend with nothing to restrict air flow.

with a compression bend you get some crimpling in the bend which shrink the tube size and restrict air flow.

Crush bends are just bad.



Re: Exhaust questions
Monday, January 09, 2006 10:18 PM
Quote:

with a compression bend you get some crimpling in the bend which shrink the tube size and restrict air flow.


sorry wrote too fast, have a chance of some. BUt all in all is still good.



Re: Exhaust questions
Monday, January 09, 2006 10:24 PM
wow that was a great response
thanks for the explanation
Re: Exhaust questions
Monday, January 09, 2006 10:33 PM
Zypher wrote:wow that was a great response
thanks for the explanation


You're welcome. Anytime.



www.kronosperformance.com / 732-742-8837

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