Quote:
Originally Posted by mrbmwx5
For your 01 4.4i with dinan CAI and x-pipe (and you not going to get the dinan TB) no custom exhuast needed.
you need to go with these.
Performance Engine Software (Thru 03)
Product Number: D900-44X
Performance Automatic Transmission Software (Thru 03)
Product Number: D902-44A5
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Thanks Mr! Is the Transmission Software paramount? I'm pretty happy with the way it shifts in "S" mode.