PRODUCTS & FIT
Original Thunder Monster Baffles - deliver a deeper tone to
the note of your exhaust. Additionally, Thunder Monster baffles
will turn all the horsepower loose. Up to 12 midrange HP over a
straight pipe with no baffle, enough torque to pull tree stumps,
and a killer sound. These fit: 1 5/8" INSIDE DIAMETER PIPES,
1 3/4" INSIDE DIAMETER PIPES, 1 7/8" INSIDE DIAMETER
PIPES, 2" INSIDE DIAMETER PIPES, & 2 1/8" INSIDE
DIAMETER PIPES.
$79.95 per pair + S&H* (click
photo for larger view)
It's what's inside Thunder Monster Baffles that counts!
Thunder Monster Baffles
for Screamin' Eagle II Slip Fit Mufflers - WITH A REMOVABLE
BAFFLE THAT THE SCREAMIN' EAGLE BAFFLE MEASUREMENT IS:
2 7/8" DIA. x 11 1/4" LONG. (Note: one of the mufflers
must have “Screamin’ Eagle II” stamped on it for these baffles
to be compatible.
They will not fit the ’07 and later Screamin’ Eagle mufflers.)
Turn your Screamin’ Eagle II mufflers into a completely new exhaust
system in minutes and have a deeper, throatier tone to the exhaust
note with our easy to install Thunder Monster replacement baffles.
Slide out the old, slide in the new, no cutting, welding drilling
or hassles. It’s that easy.
$129.95 per pair + S&H* (click
photo for larger view)
Thunder Monster Baffles for large
diameter mufflers, ie. - ie. If you have installed aftermarket mufflers
or you have “gutted” your stock mufflers, drilled them out, removed or modified
the baffles, have a free flowing type baffle, or have an application in which
you are not able to install the Thunder Monster baffles in the rear portion
of the pipe, Big City Thunder has a Thunder Monster baffle that installs in
the exit end of the head pipe where it joins the muffler. As with all our other
products the Thunder Monster baffles will provide the proper amount of back
pressure, flow the exhaust gases properly and deal with reversion. The Thunder
Monster baffles will also provide a deeper, throatier, hot rod/hot bike sound.
.
$79.95 per pair + S&H*
ALL Thunder Monsters are compatible with fuel injection!
Looking for a new sound from your present exhast
system?
It's what's inside Thunder Monster Baffles that counts.
In today’s world motorcycle sound requirements are not
to be ignored! Big City Thunder has addressed these sound issues with our new
patented Quality Quiet Thunder Monster baffles. Our new QQ Thunder Monster
baffles are quieter than our original Thunder Monster baffles with a rich,
deep tone to the exhaust note. Our latest breakthrough design dissipates sound
energy to reduce the db levels. The new QQ series also increases rideability
and mid range performance.
We call them Quality Quiet Thunder Monster baffles. You’ll call them the
best decision you ever made for your bike
Our
new QQ series is available for the following size pipes:
2 1/8” inside diameter with a 2 1/4” outside diameter
2” inside diameter with a 2 1/8” outside diameter
1 7/8” inside diameter with a 2” outside diameter
$129.95 per pair + S&H
QUIET NEVER SOUNDED THIS HOT!!
For New Screamin' Eagle®
Street Performance Slip on Mufflers
Supercharge your Sound and Performance with our New Dyno
Proven QQ Thunder Monster baffles for Screamin’ Eagle Street Performance
mufflers. You can turn your Screamin’ Eagle Street Performance mufflers into
a completely new exhaust system. $169.95 per pair + S&H
For Softail models – Provided your Screamin’ Eagle baffle
measures 3 1/8” diameter by approximately 17 ¾” in length our new Thunder
Monster baffles are designed to replace the original Screamin’ Eagle® baffles
and deliver a deeper, throatier, hot rod sound as well as improved performance.
Please measure per the illustration shown prior to calling, e-mailing or
ordering.
Your Screamin’ Eagle baffle must match the illustration shown below, dimensionally
and look the same.

For Bagger models – Provided your Screamin’ Eagle
baffle measures 3 3/8” diameter by approximately 26 ¼” in length our New
Thunder Monster baffles are designed to replace the original Screamin’ Eagle
baffles and deliver a deeper, throatier, hot rod sound as well as improved
performance. Please measure per the illustration shown below prior to calling,
e-mailing or ordering. (These baffles are not compatible with the 4” Touring
Mufflers.For the 4" touring mufflers you would modify your mufflers and install
Thunder Monster Baffles part #2003 in the exit end of your head pipe.)
Your Screamin’ Eagle baffle must match the illustration shown below, dimensionally
and look the same.

Cutaway
picture of our new Thunder Monster baffle for Screamin’ Eagle Street Performance
Mufflers shown to the right.
QUIET NEVER SOUNDED THIS HOT!!
How Do I Know If Thunder Monster Baffles Will Fit My Pipes?
Big City Thunder products work in any 4 cycle engine with a straight pipe
type exhaust
from a single cylinder up to 6 cylinder motorcycles with any cubic inch displacement.
Installation instructions are included with all our products.
If you have Vance & Hines, Screamin' Eagle, Bub, Cobra,
Samson, Rinehart, Jardine, Bassini, Custom Built, or other
aftermarket pipe that at the exit end does not turn out (does not include
tips that can be removed), and is of a straight type pipe design that measures
1 5/8", 1 3/4", 1 7/8", 2" or 2 1/8" inside diameter,
Thunder Monster baffles will fit your pipe. All Thunder Monster baffles are
compatible with a slash cut pipes.
For curved pipes such as Vance & Hines Big Radius
and Ness Slashers we recommend our Thunder Monster baffles part number
2002 or our new QQ baffles part number QBL 1845. For the Hooker Troublemakers
we recommend our Thunder Monster baffles part number 2001 or our new QQ baffles
part number QBL 1994. For other curved pipe applications please call and
have the pipe dimensions available.
* All prices subject to change with out prior written notice.
DUE TO THE FACT THAT PIPES AND STYLES WILL VARY EVEN
WITH THE SAME MANUFACTURER PLEASE BE SURE TO MEASURE THE INSIDE AND OUTSIDE
DIAMETER OF YOUR PIPES AS WELL AS THE OUTSIDE DIAMETER OF YOUR BAFFLE,
PROVIDED YOU HAVE ONE, BEFORE CALLING OR E-MAILING; THAT INFORMATION IS
NECESSARY IN ORDER TO HELP YOU DETERMINE THE CORRECT
PRODUCT FOR YOUR APPLICATION.
Questions? ask us at questions@bigcitythunder.com!
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