Exhaust: Do we really need back pressure?

[peter at thescirocco.com (Peter)]

I don't think you need any back-pressure...

All Techtonics stainless exhausts come with Borla mufflers and they're 
straight thru.

Peter - 302.832.8989
http://thescirocco.com
----- Original Message ----- 
From: "Cory Langford" <Cory_Langford@bcit.ca>
To: "Scirocco list" <scirocco-l@scirocco.org>
Sent: Thursday, February 15, 2007 3:45 PM
Subject: Exhaust: Do we really need back pressure?


>
>
> Just finalizing the exhaust set-up and I was wondering what the opinion 
> was
> on running a completely free flow exhaust.
>
> One of the tracks has a noise restriction, and one does not.  So I figured
> the simplest design was from the header to 2.5 inch pipe straight back (no
> cat, res. etc).  I figured I would have a removable muffler that can slide
> in when needed, and a straight pipe when not.
>
> But I have seen some talk on the vw engines needing some back pressure to
> keep the exhaust gasses hot enough to travel quickly through to the end.
> So I was wondering if a simple straight pipe would have any down sides to
> it (beside noise)?
>
> Cory
>


--------------------------------------------------------------------------------


> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l
>