Wondering where your boost
went? Power delivery not as smooth as it used to be? Most likely your
engine's diverter valve is to blame.
What is a diverter valve? A diverter valve
(DV) is a pathway for boost when it is not being used by your engine.
Whenever the throttle body is closed, like during shifts or
deceleration, the boost needs an escape route. If the boost cannot
escape during these times, it can back up and cause shocks to the turbo.
These shocks will stall the turbo, slowing boost production upon
re-acceleration (turbo lag). Even worse, these shocks can cause damage
to the turbo. The diverter valve's job is to open when the throttle body
is closing or closed, and reroute the boost to the low pressure intake
side of the turbo, where it can do no harm.
During development of 750+ hp turbo kits for Porsche models, we came
across a late model Porsche factory DV that indeed can go the distance.
We designed a few companion parts, and this DV in essence is now a
direct replacement for the problematic VW, Audi, and older model Porsche
unit. No permanent modifications are required for install, and it is
designed as serviceable and cheaper alternative to the Bailey Motorsport
DV30 unit that we also carry.
The AWE Tuning High Performance DV1 Diverter Valve comes with a one-year warranty.
Simple and elegant in its design, yet made for the most demanding of
applications, this DV is a serious performer and has been extensively
track, street, and dyno tested on multiple cars in multiple climates.
Install of the AWE Tuning DV1 Diverter Valve is a simple half hour
install procedure and it is the most economical solution on the market
for the chronic DV issue.