Joe,
Flowmaster is trying to sell Flowmaster. What youwere told doesn't compute. If the Y
pipe and Cat are the major restriction opening up the exhaust system after the cat
would have negligible effect.
I have a 94 Sport with the 5.2, 5spd, and 3.90 gears. I've had the truck since new
and have had it to the track a few times. The most marked single improvement was the
Gibson cat back exhaust with a set of JBA shorty headers which use the factory Y
pipe. I picked up 2 mph at the strip and 2 mpg on the road with this modification.
A few years ago CC did a 2.2 turbo package called the Super 60. The development was
done on a dyno and with mufflers and the Dynomax Ultra made 20HP more than the
Flowmaster.
KW
Joe Borg wrote:
> Jeff, I recently called flowmaster. They stated with minor mods, the
> stock exhaust system is more than adequate when a flowmaster 2 chamber
> muffler is installed. They stated 3" pipe does not have enough
> backpressure and although sounding "meaner" woulsd actually slow you
> down. The concept of single in dual out mufflers is pure show and no
> go. An exhaust system can only be as efficient as its weakest point -
> the 2 into 1 y pipe and cat. Unless you install 2 cats with a true
> dual setup you are gaining nothing but sound and appearance. Joe Borg
>
> ______________________________ Reply Separator _________________________________
> Subject: DML: Gibson exhaust installation
> Author: <dakota-truck@buffnet.net> at internet
> Date: 2/17/98 3:09 PM
>
> snip
>
> Does flowmaster make a similar kit?
>
> Thanks.
>
>
> jeff
> 98 RC 4x2 V8 5spd 3.55SG flares
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