Below is a group of dyno graphs that will show you the gains acheived by adding products that we sell.  We started with a stock 2005 Duece Softail with a set of Vance and Hines Pipes and added NGK Iridium Spark plugs, a K&N 1499 air filter, a Jet Scream breather, a full service oil change with a synthetic oil, a Thunder Max auto tune and S&S 510 Gear Drive Cams.  Click below to see each gain step by step..

Dyno Graph basic run showing starting horsepower and torque for a stock 2005 Duece Softail with a set of Vance and Hines Pipes. 

Dyno Graph Run 2 showing gains after installing NGK iriduim Spark Plugs.

Dyno Graph Run 3 showing gains after removing the stock air filter and replacing it with a K&N 1499 replacement air filter.

Dyno Graph Run 4 showing gains after adding a Jet Scream Breather.

Dyno Graph Run 5 showing more gains after doing a full service oil change to the motorcycle using synthetic oil.

Dyno Graph Run 6 shows the gains after installing a Zippers Thundermax Auto tune.

Dyno Graph Run 7 shows the gains acheived by installing a set of S&S 510 Gear drive Cams.