Downpipe w/o Cat (SS) was tested and developed together with Evolution Line (Titanium) system.
For the ultimate in weight reduction, tuning potential, and racing sound, Akrapovič offers stainless steel, cat-less downpipes to make the BMW an even more powerful machine. This setup is intended for dedicated track-day cars and enthusiasts, and it will also add to the overall experience of what’s already a stunning performance car for any discerning driver. Delivering great sound, without creating unwanted cabin noise, these beautifully-crafted downpipes offer an upgrade to Akrapovič’s Evolution exhaust system.
When installing Akrapovič aftermarket optional down pipes , which are developed for use on closed tracks only, remapping the ECU is mandatory, in order to prevent potential »check engine light« warning signals.
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
TECHNICAL DATA
| |
UNIT |
STOCK |
AKRAPOVIČ |
MAX GAIN |
| maximum power |
kW |
328.6 / 6600 rpm |
342.0 / 6600 rpm |
+ 13.7 / 6600 rpm |
| |
HP (m) |
446.8 / 6600 rpm |
465.0 / 6600 rpm |
+ 18.6 / 6600 rpm |
| |
HP (i) |
440.7 / 6600 rpm |
458.6 / 6600 rpm |
+ 18.4 / 6600 rpm |
| maximum torque |
Nm |
587.1 / 2850 rpm |
580.2 / 4200 rpm |
+ 51.5 / 2250 rpm |
| |
lb-ft |
433.0 / 2850 rpm |
427.9 / 4200 rpm |
+ 38.0 / 2250 rpm |
| weight |
kg |
7.2 |
4.2 |
- 3.0 |
| |
lb |
15.9 |
9.3 |
- 6.6 |
| |
% |
|
|
- 41.4 |
| noise |
dB |
86 / 3750 rpm |
98 / 3750 rpm |
12 |
| installation time |
min |
|
180 |
|
| ecu remapping |
Yes: For perfect performance, throttle response and durability, special developed mapping has to be used. |
