
BoostdFAB Twinscroll Top Mount Manifold Nissan RB20 RB25 RB26
Introducing the BoostdFAB Exhaust Manifold, a powerhouse engineered for instant turbo spool, delivering optimized low-end and midrange power for a thrilling driving experience. Our innovative design incorporates Twin-Scroll Divided-Pulse technology with precision-crafted, robotically welded thick-wall runners. This results in heightened turbine efficiency, ensuring your turbo spools up early for that exhilarating burst of power. Constructed from robust stainless steel and TIG welded for unparalleled strength and reliability, the BoostdFAB manifold boasts key features for peak performance. The True Merge Collector creates a turbulence-free channel for exhaust gases, promoting even pulses at high velocities. Flanged specifically for (2) Tial 44mm wastegates and featuring a T4 Turbine Flange, this manifold is designed for precise boost control. Additionally, all mating surfaces are meticulously machined flat, ensuring a secure, leak-free seal for consistent and reliable performance. Compa