Quiet Thunder Monster Baffles

Looking For A New Sound From Your Present Exhaust System?

Try Our Quiet Thunder Monster Baffles!

QUIET NEVER SOUNDED THIS HOT!!

In today's world motorcycle sound requirements are not to be ignored! Big City Thunder has addressed these sound issues with our patented Quiet Thunder Monster baffles. Our cone-style Thunder Monster baffles are quieter than our original Thunder Monster baffles with a rich, deep tone to the exhaust note. Our breakthrough design dissipates sound energy to reduce the db levels. The Quiet series also increases rideability and mid range performance.

We call them Quiet Thunder Monster baffles. You'll call them the best decision you ever made for your bike.

Our Quiet series is available for the following size pipes:

  • 2 1/8" inside diameter
  • 2" inside diameter
  • 1 7/8" inside diameter 
  • 1 3/4" inside diameter
  • 1 5/8" inside diameter

$139.95 per pair + S&H*

It's what's inside that counts.

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, Tab Performance, 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 Quiet baffles part number QBL 1845. For the Hooker Troublemakers we recommend our Thunder Monster baffles part number 2001 or our Quiet 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 DIAMETER OF YOUR PIPES AS WELL AS THE OUTSIDE DIAMETER OF YOUR BAFFLE, PROVIDED YOU HAVE ONE, BEFORE CALLING OR E-MAILING; WE NEED THAT INFORMATION IN ORDER TO PROVIDE YOU WITH THE CORRECT PRODUCT..

Questions? ask us at questions@bigcitythunder.com!