[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Customer Exhaust: Ravin

Serge,

The vacuum-controlled flap in your muffler blocks off one of the outlets at 
low rpms to add backpressure to the exhaust system and boost low-end torque.

It opens at high RPMs to increase flow.

- -rb

>
>Date: Wed, 18 Apr 2001 19:01:45 -0400
>From: "Serge Maillet" <serge.maillet@domain.elided>
>Subject: Customer Exhaust: Ravin
>
>Hello list members,

<snip>

>With the factory exhaust system out of the car, I could not help but notice 
>a valve on the muffler system that seemed to be attached with a vacuum 
>hose?! I simply cannot comprehend the reason why BMW would put this valve 
>on their mufflers. Any ideas??  Anyways, Ravin SS exhaust systems - highly 
>recommended.
>For more info, goto www.goravin.com
>
>Serge
>97 E36 w/ sports pkg.

_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com

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