Description
RHD S62 V8 Engine – T304 & 321 ST-ST 4-2-1
Alunox’s BMW headers (manifolds) maintain low-to-mid range torque whilst dramatically improving mid-range throttle response. At high rpm (4000+) they transform the way the car feels and drives giving the driver precise responsiveness. Our design of BMW manifold typically produces a power increase of 28-37bhp whilst midrange torque rises by 32-41ft/lb.
Our design parameters
Alunox worked closely with several BMW engine tuners with backgrounds in motorsports to develop this performance system – suitable for both road and high- end race applications. The key to its efficiency lies in choosing the optimum;
- tube OD
- grade of Stainless Steel
- wall thickness
- primary lengths
- lange and transition design
- collector design to suit the firing order
Exhaust gas optimisation
- TIG welded throughout
- gas purged tubes
- equal length primaries
- 4into2into1design
- hand finished merge collectors
- precisely swaged slip joints
Finishes
At an additioinal cost systems can be Aquacleaned, mirror polished or black ceramic coated.
Speedy fitment
This BMW system can be fitted without removal of the engine in around 3 hours depending on the condition of existing exhaust components.
