Pre-Order: The product will be released to the market soon! You do not have to prepay, choose "Pre-Order Now, Pay Later" and we will contact you when the manifolds are ready to ship. 

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SteedSpeed Manifold exhaust passages are TUBULAR inside! 
(not a log style design)
Application: MAZDASPEED3, MAZDASPEED6, & CX7

SteedSpeed Manifold is designed in CAD and machined on a Makino machining center.   Each manifold is machined out of 1018 steel and then finished with a thick ceramic coating that can stand up to 2,000 degrees. 

This manifold is designed to be bolt-on and a stock replacement manifold.  It includes the bung for the O2 sensor and a threaded port for the stock EGR pipe. 

The Mazdaspeed manifold design is intended to direct the exhaust at the turbo using the most direct tubular route possible.  This retains the kinetic energy in each exhaust pulse.  Each of the passages are fairly equal in length but for turbo applications, equal length is not important for making power on a turbo car.

The design and production method is protected by a US patent and made in North America.