QTEC Down Pipe, freeexhaust by the push of a button... (more)
#11
That won't work....
a turbo exhaust outlet needs a funnel of sorts to expand, you can't just open it out to the air.
Besides, I've read all the posts about people who say they lost low-end torque, but it was all butt-o-meters. No one actually proved they lost torque, and no one proved that it wasn't the ECU doing something funky.
Besides, I've read all the posts about people who say they lost low-end torque, but it was all butt-o-meters. No one actually proved they lost torque, and no one proved that it wasn't the ECU doing something funky.
#13
Actually Scott of Intrax/HMS said he tried a dump tube on his race A4
and while doing this he lost alot of tq. For the track he said the best setup was a straight thru 3", but I am sure that was to gain the most top end without losing too much tq.
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