Guppy III Exhaust System

The Guppy III is currently the most winning V-twin exhaust system of all major Dyno Shootouts for 3 years running. These are custom built exhaust systems which typically take 3 weeks for completion. HD Softail ™ models are in stock and available in black and silver ceramic. V-Twin models available:

Harley V-Rod™

Guppy's are ready for the 2007 season. Two Race-Only systems to choose from; midrange 5-9.5k rpm and Large displacement 1450cc for 7-10k rpm. Look for upwards of 180 hp with this system. These systems are NOT for stock bikes. Please don't ask! Four years of development and countless combinations have produced a no compromise system. Read more:

 Reprinted with IronWorks® permission