Dynomax Ultra Flo vs Walker Muffler Comparison - sound levels and sounds!
We've compared two mufflers in search of quiet(er) performance.
*EDIT* Dyno results
are in! 443 rwhp and 490 rwtq. Taking into account the 1.5 degrees of
timing we added, the mufflers cost NO power. Before we made 422 rwhp and
EDIT EDIT: Car has run a best of 10.77 @ 128 so far... still some left in
EDIT EDIT EDIT: The car turned a 10.55 @ 129.3 and the block and trans let
go. A Dart 363 and a built Powerglide are going in!
Sound Testing: Flowmasters 8 Hottest Mufflers
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We test 8 of Flowmasters most popular mufflers for street cars to muscle
cars to full blown race cars! From mild to aggressive, find out which
muffler is right for your car and get that classic Flowmaster sound.
Walker SoundFX 17809 - Ram 1500 4.7L
Just a quick video of my 04 Ram 1500 with the 4.7L v8. I replaced the
flowmaster 40 series that rotted off and wanted something quieter. This
muffler has a good low rumble and with the tailpipe it has almost no noise
in the cab. I got the 3" version because that's what I was told I needed
but I think it's 2-3/4" that I need. Oh well, I cut some spare 3" pipe and
slotted it to make a shim of sorts and clamped it down. Tailpipe is a
Magnaflow 15003 universal SS 3". All told I have less than $100 into the Exhaust.
Chevrolet Silverado 4.3 walker muffler
This is a stock single 2 3/4 exaust pipe with catalytic converter delete
and a cheap walker soundfx muffler.
I'm happy with it, 55$ and it just quiet enough. Sadly I can't say what did
what as far as sounds goes since I removed the (internally shattered)
catalatic converter at the same time.
It sounds better than stock but I don't know if it's louder because the
cat is no longer there or if it's the muffler that's louder.
first vid: open loop (cold start)
second vid (closed loop, o2 sensor kicked in)
third: rev to 3k
four and fifth: acceleration with and without clutch
2000 Ford Crown Vic Exhaust - Walker "Quiet" Flow Mufflers
The recording was made 25 feet away from the rear of a 2000 Ford Crown
Victoria. It is equipped with Comp XE262H camshafts, Magnaflow High-Flow
direct-fit catalytic converters, the factory H-pipe, Walker Quiet-Flow OE
replacement mufflers, and Walker OE replacement tailpipes (without
resonators). I purchased the Walker components to replace the rusted out Dynomax UltraFlo mufflers
which totally blew out (the internal perforated pipe and fiberglass
literally disintegrated). Since I had to hack up my OEM tailpipes (T-409
SS) and didn't want to pay $800 in parts to replace them, I went the cheap
route with the Walker pipes and mufflers.
These are supposed to be OEM quiet but I can tell you for a fact that you
will hear droning and a nice growl when you open up the throttle.