<< I have the Flowmaster DeltaFlow 3-chamber (50 series) on my Dak with
the
> 3.9V6, and I -hate- it. The thing is raspy (more so than the engine
> normally is :-) and has a HUGE resonance at between 1800RPMs and
> 3400RPMs. Unfortunately, that's where the truck runs at both on the
> highways and on the city streets, so it never stops being annoying. >>
I had a 3-chamber single 3" (muffler back) on a 97 V6 and had
a little resonance. Sounded good with Mopar resonator tips, they
helped some, but if you wanted a quiet muffler, the Flows don't
really qualify.
> ScottH216@aol.com wrote:
> I keep reading all these posts on mufflers, and the noise Flowmasters make
> always seems to be an issue. I run duel 3" Flowmasters on my Camaro, and it's
> insanely loud.
I bet. The 2-chamber single 3" sounds great on my V8 Dak. I also have
Mopar duel resonators on this system exiting straight out the back, no
rattles or noises. I love the sound, kinda like a warning. ;)
> But so far, no one has mentioned the Edelbrock RPM's. I have a 2 1/2" RPM on
> my 5.2 Dakota, and it's perfect. They're probably twice as expensive as a
> Flowmaster, but according to airflow tests, they flow better AND they're
> quieter for any given size. Not too quiet, but thanks to the design (similar
> to a Borla, and more direct flow than the convoluted path through a
> Flowmaster) and with the ceramic packing, it's a nice, subdued low pitch
> tone.
I like the design of the HD stainless RPM series, but I wouldn't want
the ceramic packing moving around tho. If my Flo ever wears out I
might try the RPM. :)
GS -
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