View Single Post
      01-03-2011, 08:20 PM   #53
Private First Class
JPatrick's Avatar
Drives: 2011.5 E90 M3
Join Date: Nov 2010
Location: Seattle, WA

Posts: 109
iTrader: (0)

Garage List
2011 BMW M3  [0.00]
1998 BMW M3  [0.00]
Originally Posted by 1MORELAP View Post

I wrapped the pipes because I procrastinated so long that I had to go with the local O'Reilly solution. They had DEI wrap in stock.

But I also saw the GT4 pipes wrapped and concluded that if BMW does it - it can not be so bad.


I believe the theory is that you insulate the exhaust pipes to keep the exhaust gas from loosing heat.. The hotter the gas, the faster the gas exits the system. More rapid exhaust gas exit translates into more power. I suspect that is why the GT4 pipes are fully wrapped.
2011.5 E90 M3 - Space Gray/Extended Fox Red Leather/Sycamore Anthracite Trim, DCT, ZCP, everything except Moon Roof
JPatrick is offline   United_States
Reply With Quote