Post the dyno numbers of your m157 biturbo car
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This is the issue, the prices they are charging for just down pipes is silly...

If it were a complex header design then maybe i can understand, but for simple semi straight pipes costing 3-5k is just
of the 3 main US tuners we see on the forum, only weistec replaces the bridge pipe with less restrictive one... there are a few other companies that have weistec clones like cks and boost logic
true downpipes should pickup about 40whp... (the weistec dyno's have shown this)
of the 3 main US tuners we see on the forum, only weistec replaces the bridge pipe with less restrictive one... there are a few other companies that have weistec clones like cks and boost logic
true downpipes should pickup about 40whp... (the weistec dyno's have shown this)
It is only pipes that's all why 2K+!!!!
Weistec whit tune you get 40HP



