Manufactured using high-grade lightweight titanium, the Evolution Line
exhaust system features a specially designed layout with one central and
two side mufflers and a collector made from titanium, all leading from
stainless steel link pipes with a larger diameter compared to stock and
custom-made flex tubes, fully insulated where they attach to the
downpipes. A valve on each side muffler controls the flow of gases and
aids the fantastic sound produced by the system. Designed to supply a
soundtrack that has been acoustically tuned to perfection at every rev
point to give an aural delight from the low-down rumble, through a
strong mid-range and onto a high frequency top end with distinctive feel
of Akrapovič’s racing heritage, all added to the increased excitement
where every downshift is accompanied a sharp rumble. The system has been
tuned to provide the occupants the comfort of driving like an everyday
commuter with no unwanted drone or excessive noise. Akrapovič has
conducted tests on its in-house dyno with the Evolution Line (Titanium)
exhaust system, using an Audi RS 6 Avant (C8) with the stock Audi Sport
exhaust system for comparison, and a power gain of 15.7 hp (m) at 6150
rpm and a torque increase of 17.9 Nm at 6150 rpm were achieved under
controlled conditions and with a weight saving of over 30% against the
stock system. The Link pipe set (SS) UAKL-AU/SS/8/1 is a mandatory
product to the Evolution Line (Titanium) UAKS-AU/TI/19H. The system is
split into two codes because of packaging requirements. If the Evolution
Line exhaust system is combined with the Downpipe / Link pipe set (SS),
the link pipe set UAKL-AU/SS/8/1 is not needed. In this case, the ECE
type approval is not valid anymore, and remapping the ECU is mandatory
when it is fitted. ECE type approval is only valid for cars equipped
with otto/gasoline particulate filter.
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