Future Fab Nissan RB T4 Twinscroll Exhaust Manifold
Future Fabrication Nissan RB20/25/26 T4 Divided Exhaust Manifold
- MADE IN THE USA and Includes Life Time Warranty to original buyer
- Thick walled Stainless Steel 1 1/4 Inch SCH40 Runners Fully Tig Welded/Back Purged
- Dual 38mm MV-S waste gate flanges
- True Twinscroll T4 Design
- Head Flange fits Rb20det, Rb25det, and Rb26dett Cylinder Heads!
Twin scroll merge collector creates a turbulent free area for the exhaust gasses to enter the turbine housing in even pulses at high velocities and low pressure drops. The result is an increase in turbine efficiency by 7-8 percent (faster spool, quicker response) and result in fuel efficiency improvements as high as 5 percent.
There are now two versions of the manifold available.
Original (centered) fits S13, S14. Uses twin 38/40mm gates!
New (forward) fits R32, Uses twin 38/40 or twin TS 45mm gates!
T4 R32 version will require Power Steering Resivior Relocation!
Posted by email@example.com on 12th Aug 2018
The manifold fits freaking awesome. Had no doubt that it would fit
Posted by Casey on 4th May 2018
Superb quality and craftsmanship, one of the best looking and functioning manifolds on the market for the rb series!
RB25 Twin Scroll T4
Posted by Jose Rodriguez on 15th Sep 2017
For the price comparing other brands, hands down the best quality and craftsmanship. Don't waste your time with those $2k+ manifolds, this is the real deal. The turbo sits low so no hood clearances issues. If using this TS manifold on an S13 with RB engine, you need to get a smaller brake booster so you can have space for the downpipe, other than that 5+ stars.
Posted by Aron on 23rd Aug 2017
Personally think future fabrication has some of the best quality fabrication available right now bought a rb26 manifold and is an absolute work of art!
American made, of the highest quality!
Posted by Affinis Motor Sports on 2nd Jun 2017
Guys, in this day and age, lets be real. Everyone wants the best part for the lowest price, but there is always a sacrifice somewhere right? Not always. FutureFab goes above and beyond to build an incredible manifold for unheard of prices. I'm a reseller of their products and I love being able to offer this product to my customers. Big turbo's for everyone! Rip off those old crusty twins from your JZ and RB motor, and get in to something affordable that allows you to stay within your budget with the rest of the parts required. I have bought from FutureFab in the past, and will continue to order from them in the future. 100%.
RB26 T4 Twinscroll Exhaust
Posted by Unknown on 7th Jan 2016
very beautiful work, beautiful manifold ..
I am extremely pleased with the job executed.
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