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Discussion Starter #1
Hi Guys,

I have read in a lot of places that upgrading to a forge diverter valve is recommended when upping the power. I have approx 215 hp in my Mk 4 but still have the stock Bosch.

What does upgrading to the forge do?
 

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Well, the stock diverter can fail prematurely especially when upping the boost in your car, The forge will work smoother, sound better, and can be adjusted according to the boost. FORGE = win!
 
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