|Supersprint's turbo down pipe for the E92 335i is manufactured from 304
stainless steel and uses all mandrel bent tubing. Each pipe is 65mm in
diameter resulting in ultra low backpressure, assuring instant turbo
spool up for maximum torque and horsepower gains. The results of
installing a complete turbo to tail pipe Supersprint system are a
phenomenal 26 hp with a torque gain over 20
The stock down pipes cause a major restriction in the exhaust flow.
BMW's solution to deal with the limited space in the engine compartment
is to crush the turbo outlet tubes to reduce the size of the tubing.
Doing this created undesirable backpressure. For emission purposes the
factory also incorporated built-in pre-cats directly after the turbo
outlet ports. This make the exhaust gas backpressure rise to extremely
high levels at all rpm and engine loads. This design retains excessive
heat in the engine and affects performance in a negative way.
On the contrary, the design of the Supersprint down pipes takes
advantage of even the smallest space available and frees the exhaust gas
flow dramatically. The SS pipe cross section (no crushed pipe) remains
constant all along the down pipes and the pre-cats are totally
Down Pipe Benefits
- 65mm pipes for superb air flow and for maximum performance gains
- Frees up horsepower and torque
- Deeper, throatier sound
***This product is legal only for racing vehicles that may never be used upon
a highway and is not applicable or intended for street or highway use.