What class do I fall into :

2007 Honda Civic Si Sedan

• Vibrant Race Header
• Vibrant Street Power Catback exhaust
• Throttle Body Spacer and gaskets
• Intake Manifold Gasket
• Front and Rear Lower Tie bars
• H-Brace
• Momo Corse S-Five aluminum wheels (17x7)
• BF Goodrich g-Force T/A KDW (new tread design)
• Ingalls Power Stick (replacement for dog bone) and Torque Dampner
• Cold air intake
• Pulstar spark plugs
• 2008 Mugen front lip
• Stock suspension
• Stock brakes
• Stock internals
• Stock tranny
• Approx. 200 whp and 145 ft.lbs torque

That pretty much covers it other than being a complete noob at the sport.

 Found my answer on another site...

 

 

With that "H-Brace" it would put you into E-Prepared(EP). Take the brace off and you are complaint in D-Street Prepared (DSP). Take the Throttle body spacer and put an OE intake manifold gasket on it and you would be allowed in Street Touring Xtreme (STX).

 

However, since you are new to this and you are probably just planning on running regional events you can talk with your region and see if they will allow you to run in STX with that stuff on your car. Rule 1.1 lets regions class cars how they see fit and may allow a newbie a few extra allowance sometimes. The classes that I told you are in is for Divisional/National level events. 

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Brian Harmer
SCCA Solo Technical Specialist
Solo National Rules: http://www.scca.com/documents/Solo_Rules/2009_Solo_Rules.pdf
FastTrack: http://www.scca.com/contentpage.aspx?content=78