Mazda 5 Header

Thanks man. I don't have an exhaust and I ended up keeping the resonator. The header/CAI combo made it sound perfect in my opinion. Everybody still thinks I run an exhaust there :) . Having said that, I would not recommend you run a straight pipe there, first of it would be way too loud, and not only it will be loud but you will lose all the back pressure and you will lose the low end. By installing the header with flex pipe you are removing the first cat, which met all my needs.

Dima
he's talking about a catback... he didn't know how to call it!

and you don't need back pressure for any good exhaust
back pressure is pure nonsense from people who don't know s*** about exhaust tuning!
 
Sweet Dima, I likes much! Ball for going there where others fear to tread.

On the stright pipe, really? Sweeet, LOUD is what I want, I've got this $400 muffler and it sounds like I got a paper cup over the end of it... :( I WANT LOUDER, !! Muahahaha! (flame2)

So MAYBE one day I'll have a custom pipe made (stright from the cat to the muffler) ... so as to up it a little more. :)

he's talking about a catback... he didn't know how to call it!

really on a M5? Or wait what? I thought that is a short name for a catalitic converter? No?

and you don't need back pressure for any
good exhaust back pressure is pure nonsense from people who don't
know s*** about exhaust tuning!

Hey, don't say the word "s***" j/k :)
But in some cases, you DO need SOME back pressure, my TURBO's
Skyline you do at lest, I F'ed up the blow off valve and whooosh there
went all my bost pressure, he he. Plus I'd want some even flow to
spin down correct, or you wear out a turbo in a few years, TheMAN,
what boost level ya runing?

I got my Skyline up to 1.8 for normal and 2.2 over ride, wheeeeee,
waaaaaa! then, Spppppsssssss comes that blow off, Gosh I miss
them old days!

mvc023f.jpg


but in this case, I agree, no need the back flow, let that in TheMAN's words "s***" flow baby!! (drive2)

Peace!(rei)
 
cat = catalytic converter

and yes, according to the shop that is always tuning and dynoing cars suggested I keep the resonator, otherwise there won't be any back pressure and I will lose my low end completely. As much as I do respect your opinions and inputs, I trust that shop a lot more.

Dima
 
;)

I thought so, but then again I've been out of the 'tuneing' buisness for a while. Good to know, thanks for share! :)
Peace!(rei)
 
u dont need back pressure in a turbo car so 3 in or bigger is awesome,
in NA if u have a 2.5in" u already lose low end torque, the 5 isnt turbo so...
yes i would say if u want torque and hp then u need a certain amount of backpressure
 
Dima spends alot of time on the Toronto Mazda5 site. Haven't seen (heard) him around here for a while, alas.
 
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