Hey guys,

I'm am curious if anyone has got similar mods and can say what ET they ran or guess what mine should do..
2003 VY Calais
Has,
• CSV headers, good cats,2.5 inch into 3.5 inch single zorst
• Mafless tune -OTRCAI
• Throttle body BBK 84mm
• 3.9's
• 19 inch rims n tyres
• 1-2 shit kit 4L65E – A4 Auto
• Last dyno was 255rwk's and has stock stall converter...
Interested in your guestimates...
Cheers