4.1. Stock Categories: The event classes will be as follows:
4.1.1. A. STOCK 1851cc to OPEN
4.1.2. B. STOCK 1351cc to 1850cc
4.1.3. C. STOCK 600cc to 1350cc
4.1.4. L. STOCK OPEN FOR LADIES ONLY
Modifications which will not be accepted in Stock Categories:-
Aftermarket turbo's, superchargers, engines, gear transmissions, coil-over, piston, full racing slick tires / R-rated tires, anti-roll bar in the front / rear, aftermarket pullies, aftermarket body panels.
Prepared categories will be based on the following:
a) Designed and manufactured as a sports car.
b) Modifications exceed Stage 1 of preparation
c) Calculation for Rotary 1cc = 1.4 Conventional cc. (e.g. 1300cc rotary = 1820cc)
(Aftermarket exhaust, headers, intake, are allowed and considered Stage1)
d) Calculation for Rotary Turbo 1cc = 1.8 Conventional cc. (e.g. 1300cc rotary turbo = 2340cc)
e) A-Stock vehicles which exceed Stage1 preparation will be bumped to A-Prepared category.
f) B-Stock & C-Stock vehicles’ which exceed Stage1 preparation will be bumped to C-Prepared category.
g) A-prepared, C-prepared and D-prepared vehicles that exceed Stage2 preparation, Xtreme Motorsports reserves the right to bump these vehicles to the B-Prepared category.
4.1.5. A. PREPARED 2451cc to OPEN
4.1.6. B. PREPARED 1851cc to 2450cc
4.1.7. C. PREPARED 1351cc to 1850cc
4.1.8. D. PREPARED 600cc to 1350cc
Bumping
4.2.1. If there are less than three cars participating in a class, the class will be bumped into the next class.
4.2.2. Till the last official date of entry the lower class can only bump up, if the higher class is not being formed.
4.3. Any mis-statement or concealment of details on car modifications resulting in improper classification will render the participation liable to penalties ranging from disqualification and penalties at the discretion of the Organizer.
4.4. It is the responsibility of the participant to ensure his / her car has been classified correctly.
4.5. Post event eligibility scrutineering may be carried out at the discretion of the Organizer.
4.6. Use of NOS (Nitrous Oxide Systems) is prohibited in all the Xtreme Motorsports events
In short your car will go in B-Stock , u are allowed to put Intake/exhaust/headers in your car along with any tyres of your choice ( other than slicks )