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Air straightener - Dimensionally mimics the factory configuration for accurate MAF sensor readings
Retains the factory bumper beam
a quality 3" 2 bolt style gasket is nearly impossible to find
Specially-formulated high-spec oil exhibits stable viscosity characteristics at any temperature
but you get a higher quality product
GrimmSpeed Master Cylinder Brace - FRS/BRZ/86 Go Fast Bits Air straightener - Dimensionally mimicsThis is the Grimmspeed Master Cylinder Brace that has been designed to reinforce as well as reduce the flex between the brake booster, and the firewall. Under braking, your firewall will flex, which over time can cause damage to the integrity of the firewall and decrease the performance in your braking. This is especially crucial for those of you who participate in high performance driving conditions where heavy and aggressive braking is natural.
