View Single Post
Old 12-22-2011, 12:27 AM   #54
Registered User
Join Date: Jun 2010
Location: Calgary, Canada
Posts: 3,997
My Ride: 900rwhp Turbo M3
Originally Posted by 02black330ci View Post
Its because the turbo uses a divided T4 exhaust housing, so you need two wastegates to regulate boost pressure on both sides. Our turbos do not use a divided exhaust housing, hence only one wastegate. If you go back to the previous pictures, you can see where the exhaust manifold shows the divided section.
Makes sense
900+RWHP, PT6870 w/ Custom FSR Turbo Kit, AEM Infinity, Lab22 Motor
Commanderwiggin is offline   Reply With Quote