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Have a question?

Look over our Frequently Asked Questions for help.

CAN YOU PUT A SPARK ARRESTOR SCREEN IN A CARBON FIBER EXHAUST SYSTEM?

No. Running with a Quiet Core or Spark Arrestor screen can effect the durability of your carbon fiber can.

DOES MY EXHAUST COME WITH A RUBBER GROMMET?

No, use your stock rubber grommet. If it is damaged or not available, visit your local dealership to purchase a new one.

HOW LONG DOES IT TAKE FOR THE HOUR METER TO START WORKING?

The hour meter is designed to display in hours

WHERE DOES THE HOUR METER MOUNT UP?

We offer a DR.D hour meter bracket that places it at the top of the gas tank or you can use the provided double sided sticky tape and mount it to the side of the frame.

HOW MUCH OIL DO YOU RUN IN A WET SUMP KIT?

You will run 850cc completely dry.

HOW DO I RETURN SOMETHING

Our return policy is 30 days from date of purchase unused and in good sale-able condition with original receipt and packaging. Call our office at 951-808-1114 and speak to a sales representative

CAN I BUY JUST PARTS FOR MY EXHAUST? (EX. CAN, PERF CORE)

No, but DR.D does have a crash damage/ repair program, call for details.

WHAT DOES THE QUIET CORE BRING THE DB LEVEL TO?

WHAT DOES THE QUIET CORE BRING THE DB LEVEL TO?

It will bring it down to about 96 dB.

HOW LONG BEFORE I REPACK MY EXHAUST SYSTEM?

It is not an exact science, a lot of factors come into play, riding style, riding conditions and lever rider you are. It is best to knock on the side of the exhaust in a couple different areas, if you hear a hollow sound then it is time to repack.

WHY DO I HAVE TO REPACK MY FOUR-STROKE EXHAUST SYSTEM?

New repacking extends muffler life, maintains power, and keeps exhausts sound to a minimum

DO I NEED A HOSE CLAMP FOR MY EXHAUST SYSTEM?

No, the DR.D exhaust is a slip fit design exhaust system.

IS THE HOUR METER RE-SETTABLE AND HOW LONG DOES THE BATTERY LIFE LAST?

The hour meter is not re-settable, the battery life is 35000 hours and it will count up to 9999 hours.