Modifications	Stock	Street Touring	Street Prepared	Street Modified
Engine	X	X	X	X
Performance fluids	X	X	X	X
Performance filters	X	X	X	X
Performance spark plugs, ignition wires	X	X	X	X
Cat-back exhaust	X	X	X	X
Smaller battery/relocated		X	X	X
Cold air intake		X	X	X
Disabled ABS/Traction control		X	X	X
Chipped/Performance ECU		X	X	X
Alternate Ignition timing		X	X	X
VTEC Controllers		X		X
Underdrive pulleys		X	X	X
Short throw shifter kits		X	X	X
Aftermarket engine, transmission mounts		X	X	X
Aftermarket ignition system			X	X
Aftermarket alternator/starter			X	X
Aftermarket oil pan			X	X
Unrestricted intake system (stock turbo/supercharger)			X	X
Removed emissions equipment			X	X
Aftermarket fuel pumps and lines			X	X
Unrestricted exhaust		*	X	X
Aftermarket clutch/flywheel (metal)			X	X
Added or replaced LSD (non-stock)		*	X	X
Engine balancing and port matching			X	X
Engine swap				X
Added turbo or supercharger				X
Internal engine and/or transmission modifications				X
Suspension, Brakes, Wheels and Tires	Stock	Street Touring	Street Prepared	Street Modified
Adjustable shocks (stock dimension and alignment cap.)	X	X	X	X
Competition alignment	X	X	X	X
Alternate brake pads and/or fluid	X	X	X	X
Aftermarket front swaybar (may be adjustable)	X	X	X	X
Stock wheel width and diameter (offset within +- 1/4")	X	X	X	X
DOT race tires	X		X	X
Street tires (treadwear 140 or higher)		X	o	o
Street tires with a max width of 225 mm		*X	o	o
Aftermaket wheels, max width of 7.5"		*X	o	o
Coil-over adjustable perch shocks		X	X	X
Strut bars		X	X	X
Alternate suspension springs		X	X	X
Alternate front and rear swaybars		X	X	X
Alternate suspension bushings		X	X	X
Camber kits		X		X
Cross drilled or slotted brake rotors (stock size)		X	X	X
Stainless steel DOT brake lines		X	o	o
Wheels of any size, offset or diameter			X	X
Any brake line, master cylinder or vacuum booster			X	X
Traction bars added-live axle			X	X
Panhard Rod added-live axle