RB N54/N55 5/16" Thick Head Flange with Inserts

RB N54/N55 5/16" Thick Head Flange with InsertsThese flanges are designed with true tapered inlets and backside stress channels (as they were from the OEM's). They are a 7 piece design (single main 5 16" thick flange, six exhaust runner inserts with locators for 1 1 4 Schedule 10 Weld Els). Unlike competitive products priced comparably and made from cheap material, these are billet machined from 100% 304 304L material (with certs). The proclaimed flange of choice for many educated N54 N55 turbo

For racing and street applications

5 Series 530i: F07 GT (09/2008 — 06/2013)

The JB4 is a plug & play tune available for turbocharged vehicles

JB4 Mobile by DMAC was released in 2014 and has become the gold standard for phone-to-tuner integration with its unique gauge display options/themes and advanced security systems

Audi A4 2016 to 2020

high quality matte black finish

BMP STAGE 2 / 3 BUCKETLESS FUEL PUMP BRACKET (E9X / E8X)

Bmw 640i 2017 to 2023

at-home upgradable firmware

Stealth Mounting on Cool Side of the Motor

All female connectors have 2 seals (a primary and secondary seal) to guarantee no possible fuel leaks

CNC machined for a precise fit and includes dual internal o-rings & retaining clip for a factory-like plug and play seal