6Boost Manifold Nissan Skyline R32 R33 GTST / R34 GTT RB25 T3 50mm

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6Boost produce one of the best quality turbo manifolds in the world for the RB20DET and RB25DET engine found in the Nissan Skyline R32 / R33 GTST / R34 GTT and hold multiple world records to back up the performance 6Boost manifolds deliver.

With many years of experience building high performance turbo setups 6Boost manifolds are not only built to be one of the highest quality RB20 / RB25 exhaust manifolds on the market but one that will give you the performance gains you need.

All 6Boost manifolds are individually hand made. They are specifically designed for your application and built around unique merge collector” design. This means no pipes cross each other and the merge collector directs all gases at the turbine entry.


If you are looking for a top quality exhaust manifold proven to deliver record breaking performance look no further than 6Boost! Inspired by Formula 1 technology 6Boost manifolds are race and dyno proven to perform. With many years of experience building high performance turbo setups and multiple world records backing the 6Boost name you can be assured that you’re not only getting one of the highest quality and best flowing exhaust manifolds on the market but one that will give you the reliability and performance gains you need from an exhaust manifold. 6Boost manifolds are built with one thing in mind, maximum performance! For more than 15 years 6Boost Manifolds have been setting performance records while continuing to push the limits of performance. Backed up by real life results 6Boost have built a global reputation as one of the strongest and best flowing performance turbo manifolds in existence. 6Boost manifolds are used on multiple record breaking cars and some of the fastest Nissan Skylines and Toyota Supras to ever race, including the two fastest Nissan Skyline R32 GTRs in the world proving 6Boost is a leader in performance manifold technology!

6Boost manifolds are specifically designed for your application and built around a unique merge collector” design. This design means all pipes enter at the exact same angle and merge together pointing directly into the turbine. No pipes cross each other so gas flow is not disrupted and all exhaust gases are directed at the turbine entry with absolute maximum force, converting into quicker spool and better performance gains. By using this merge collector design 6Boost often see up to 400rpm faster spool time and anywhere up to 15% power gains. Peak power is also held from anything up to 600rpm longer, even on highly tuned race engines. Every engine tested to date has made more power and spooled faster. These figures have been proven time and time again in back to back dyno testing.

Each 6Boost manifold is individually hand crafted to the highest standard and built to last a lifetime. Made from 3.6mm thick mandrel bent steam pipe with 12mm laser cut flanges and tig welded seams each 6Boost manifold is sand blasted inside and out for a smooth and even finish and then coated in high temperature exhaust enamel that is proven to withstand extremely high levels of heat. We are so confident in the quality of 6Boost manifolds they come with a lifetime warranty against cracking and manufacturing defects you can be sure of getting a top class product.

All 6Boost manifolds come supplied with a full set of head to manifold studs, turbo studs and turbo gasket. 6Boost manifolds are available for most turbocharged Nissan, Mitsubishi and Toyota models in top and low mount, internal and external wastegate and various flange options.

Available in a wide range of flange patterns including T3, T3 twin scroll, T4 twin scroll, Garrett V-band, Precision V-band and Tial V-band. We can also build 6Boost high performance race manifolds suitable for Greddy 3 bolt flange and HKS T51R VBand. All manifolds are available with single or twin wastegate ports.

*Please note* 50mm wastegate outlets will support 45mm, 50mm and 60mm wastegates. Single wastegate manifolds require a minimum of 45mm external wastegate although 50mm is recommended. Wastegate sizes such as 38mm or 40mm will not provide correct boost control on a merge collector style manifold.

Lifetime Warranty against cracking for reliability Steam pipe Construction for strength and durability High flow Merge Collector for maximum performance Supplied with manifold to head studs, turbo studs and turbo gasket for ease of fitment.

Additional information


Product Type

Exhaust Manifold

Car Make

Car Model

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Engine Type

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Manifold Type

Manifold Top Mount / Low Mount

Manifold Wastegate

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