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      01-03-2018, 04:49 PM   #26
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Drives: '15 M4 BSM
Join Date: Aug 2012
Location: Charlotte

iTrader: (6)

Originally Posted by 18EM2 View Post
Brings up a question I had. What is the diameter of the stock & MPE? Are they different?
Of the pipes or the can. The can is larger...but the exhaust really does not go thru the can like it did on the stocker...just by it now.

On the stocker it went in the can and out the right side if valve was closed then out both sides when valve is open. On the MPE it passed by the sides of the can and there is a pipe on both sided that allows the gasses to resonate in the can for tone. Then when you activate the valves they open on both sides and it is almost a full open exhaust
IG: horsepower_and_hounds
'15 M4 BSM DCT CCB, '15 Alfa Romeo 4c coupe "sold", '18 M2 "sold", '15 M4 "totaled", '14 M235 "sold", '09 128i "sold"