Beautifully crafted from high-grade titanium, this lightweight exhaust
system is finished with eye-catching carbon-fibre tailpipes and is a
full-on sensory delight. The exhaust valve – with its housing cast in
the in-house foundry – gives the exhaust a rich sound with an emphasis
on high frequencies, especially when shifting through the gears, all
allied to a deep tone that enhances the car’s engine without any
discomfort or drone for the occupants. A specially engineered Y-split
reduces the flow noise without any compromise to the pressure pulse
distribution, thus offering a strong sound and optimal flow path. The
use of lightweight materials and a different configuration reduces the
overall weight of the exhaust by 9.4 kg, a saving of 55.6% on the stock
version. The design and construction of the exhaust optimize the power
and torque levels throughout the rev range, with performance increased
by 3.3 kW (4.5 hp) at 5,350 rpm and torque up by 5.9 Nm at 5,300 rpm.
This was achieved during in-house tests with back-to-back runs on the
Akrapovič dyno against a BMW M135i using a standard stock exhaust. For a
further upgrade of the Slip-On Line (Titanium) exhaust system, an
optional Evolution Link pipe set (SS) is available.The ECE
type-approval certificate is valid only for 2020 model year cars
equipped with an Otto/gasoline particulate filter.The exhaust
system can be fitted on the BMW M135i XDrive model.To install
the Slip-On Line (Titanium) exhaust system, the stock exhaust system
must be cut; please read the instructions carefully before the start of
the installation.
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