Home of NITROUS EXPRESS!! - Nitrous is perfectly adaptable for the street, these guys are the experts.

TTS Performance Engineering - All the goodies you can imagine plus on-line ordering.

Moto Hyper-Sport: - The home of Canadian Motorcycle high performance.

Dynobike Motorcycle Performance - Performance Tuning workshop in Melbourne Australia with expertise in many areas - includes VTR infosite and images.

J C's Machine Shop Services - 29 Years skilled experience in 2 and 4 stroke performance machine work for racing. Cylinder reboring, honing, resleeving, head porting, polishing, located in California.

Richards' Engine Development - Specializing in performance porting alterations, custom intake/exhaust design & fabrication for all two and four stroke engines.

Vance & Hines - Performance Exhaust Systems for Sportbikes, Import Cruisers, and Harley-Davidsons.

Replika Maschinen, Inc. - A high performance two and four stroke cylinder head porting and air flow facility. They also apply "Thermal Coatings" to cylinders and related components.

Dynobike Performance Workshop - High performance tuning, dyno, go-faster goodies, Ducati tuning.

2Stroke pleasure - On the 2-stroke pleasure site you will find information on 2-stroke bikes and Jolly Moto racing exhaust systems. We also have a webboard waiting for you!

Sabin Performance Cycle - A full service, high performance motorcycle tuning, modification, and repair shop. Check us out for all your sportbike and motorcycle needs.

High Performance Tuning - Engine builder and tuner George Grabowski's machine shop service and two stroke tuning school. Articles, advice, contact information and customer recommendations.

Debben Performance online speed shop - Motorcycle performance parts online like Nitrous Oxide Systems, Vance & Hines, Wiseco, APE, MRE, Turbo , dragracing to sportsbikes like the Honda Fireblade, Suzuki Bandit, Yamaha R1

Dynojet - Dynojet kit and K&N filter application list for Honda, Kawasaki, Suzuki and Yamaha