twin scroll?
Dual exhaust channels that link 2 cyl each into the exhaust wheel of the turbine for better spoolup but possibly sacrificing some top end flow. Here are some links of the 10.5 hotside at Forced Performance:
http://linux.forcedperformance.net/m...O8003_full.jpg
http://linux.forcedperformance.net/m...O8004_full.jpg
http://linux.forcedperformance.net/m...O8003_full.jpg
http://linux.forcedperformance.net/m...O8004_full.jpg


