SRS Exhausts Stainless steel exhaust manifold 4-1
The SRS manifold for your Mazda is made for optimal power gain. The 4-1 manifold is designed for maximum power gain at high revs.
The 4-1 manifold gains there and at more power in the mid and high rev range.
All SRS manifolds are made of SUS 304 polished stainless steel and have a good fit.
 
They are supplied including connection for the lambda probe and the necessary gasket.