These Mild Steel mandrel bent downpipes are designed to replace the very restrictive 300zx precats. With the smooth 2 1/2" piping and split design they allow for quicker spool up and better top end power. The 4 bolt design is made to fit VG30 stock turbos, T25/T28 turbos, and JWT Sport 500 and 600 Turbos.
These Mild Steel mandrel bent downpipes are designed to replace the very restrictive 300zx precats. With the smooth 2 1/2" piping and split design they allow for quicker spool up and better top end power.
SZs new unique design improves upon our older super splits by increasing the overall diameter to 3" using a coned expansion process. The reason this type of down pipe works better is because the exhaust coming off the turbo wheel is spinning extremely fast and whipping in a circle.
Finally a 1990-1996 Nissan 300zx turbo manifold that will flow as much as a tubular manifold but cast to prevent the cracking associated with tubular manifolds. These Mike Smith 300zx manifolds are a MUST for turbos like the JWT 700bb and GT675RS!!
The design of these downpipes caters to the dynamics that take place just after the turbine. By separating the exhaust flow of the turbine from the flow of gases exiting the wastegate, less interference is experienced by the system.
SZs new unique design improves upon our older super splits by increasing the overall diameter to 3" using a coned expansion process. The reason this type of down pipe works better is because the exhaust coming off the turbo wheel is spinning extremely fast and whipping in a circle.
The missing component between any header and a cat-Back system is the downpipe. A stock downpipe is the weak link between an aftermarket header and cat-back system. To obtain the maximum amount of power from your engine your entire exhaust system must be unrestricted. A Megan Racing downpipe will complete your set up and give you the high-flow exhaust system that you desire.
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