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Rules Specific Louvers

Race Louvers has many options to meet most racing series class rules.  Below are options we have in stock.  We also offer custom sizes to fit your needs.

As of 4/25/19

Nasa:  American Iron, American Iron Extreme, German Touring Series, Super Touring 1-2, Honda Challenge 1-2 and Autocross all permit hood venting without restriction.  Super Touring 3-6 limits height to no greater than 3/8" with no sqin limit.  Spec Z limits hood vent size to 400 sqin.

Note: All RS trim Race Louvers can be made to ST/TT3-6 spec 

SCCA:  Grand Touring 1 and 2 as well as Touring 1 permit any hood venting.  Touring 2 and 3 permit hood venting but restrict the size to a mximum of 1" tall and a maximum combined area of 200 sqin, while STU allows for a maximum of 200 sqin with no max height. SOLO Prepared allows for venting with a maximum of 500 sqin and a height no greater than 1".

Time Attack (Global): Enthusiast, street, limited, unlimited and pro/comp all permit hood venting without restriction.

Time Attack (redline): Modified and unlimited classes permit hood venting without restriction

Time Attack (gridlife track battle):  Street modified, track modified, unlimited and super unlimited all permit venting without restriction.

Time Attack (world time attack challenge): Club sprint, open, pro am, and pro classes all permit hood venting.

HPDE: High performance driving events.  All HPDE cars, fun run and street cars are unrestricted.

Dont see your class listed?  Class rules recently updated?  Need a louver with specific requirements? Let us know and we can get you what you need.

* Please note class rules are subject to change and should be verified by the customer prior to purchase.