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Earlier this year, when the rock industry launched the N55 engine specifically for high flow catalytic converters, and now and N55 in the tail section dedicated mix is just right. N55 boulder high flow catalytic converters experienced long development and test, now officially on the market. And compared to conventional catalytic converters, high-flow catalytic converters using rock boulders patented O2 Sensor sensor design, its advantage lies in its ability to accurately read each change in speed between the exhaust, no external chips, to avoid trouble fault light . It is worth mentioning that three yuan boulders with high flow fuel ratio detection holes for the engine to bring better fuel economy. turbo suppliers
Boulder industry targeted at the launch of the N55 engine exhaust tail section with the mainstream of high-performance stainless SUS304 as a material, and uses a TIG welding technology to ensure smooth flowing exhaust interface, reduce exhaust resistance. From the modeling point of view, boulders N55 engine with a dual diameter exhaust design, which is composed of two tubes of different diameters, respectively 76.2mm diameter and 63.5mm, the benefits of doing so is to improve the general single exhaust pipe exhaust flow is lower than the original design created by exhaust smoothness has improved significantly over the original.
In the current atmosphere of home modifications, modified exhaust valve adjustment system has become a sought after goal of many people, valve technology has gradually become the exhaust modification of the "trend trend." Although the basic principle is to change the valve technology paths through the exhaust valve switch, and ultimately to the different needs of different engine speeds, but each manufacturer has its own unique features of the design. Using patented exhaust valve exhaust rock structure, built-in silencer cylinder valve, proactive detection of different transmission gear and engine speed, to change the opening angle of the valve. Driving the process, at low speed can retain moderate back pressure and torque, providing smooth exhaust efficiency high speed, improve the general sense of frustration when the valve opens, and indeed enhance the performance of full field, let the engine output power play too more extreme. turbocharger suppliers
BMW M135i / M235i uses the N55 inline 6-cylinder BMW engine using popular single twin-scroll turbo technology, the maximum power output of 320 hp and maximum torque of 450 N • m. BMW 1M coupe with respect to the N54 engine, N55 engine, though not as explosive twin-turbo N54, N55 but have Valvetronic continuously variable valve lift technology to enhance throttle response and control accuracy. Moreover, a single twin-scroll turbo feature is good at low speed range force, since it can erupt from 1300rpm and maximum torque, lower than the N54 engine speed required. So, the BMW M135i / M235i modified boulders industrial launch of the tail section is really appropriate.
The boulder in the tail section exhaust noise muffled sounding, and blocking in motion resonances produce the maximum extent. In terms of power upgrade, set in the exhaust tail section is more impressive performance, measured in horsepower engine, the BMW M135i 277.2Ps wheel power output from the original upgrade to 294.1Ps, the rise reached 16.9Ps, peak torque is also increased from 41.9kgm to 44.1kgm, enhance 2.2kgm much.