Honestly the GruppeM/Toda/Powergetter combination should get very similar numbers, a tuned DC5 with all boltons should be around 135-140kwatw. Toda AU told me the CRSX headers always perform well with a tune and only vary very slightly in peak output, the difference in price is of course in the quality of the Toda product.
Eddies DC5S with GruppeM/Spoon header/Spooon catback netted 137.7kwatw for comparison
The CEL came up about 2 weeks after install, bought one of these and it never came back
http://www.clubrsx.com/cr/CLU-CEL-ANG.html
Eddies DC5S with GruppeM/Spoon header/Spooon catback netted 137.7kwatw for comparison

The CEL came up about 2 weeks after install, bought one of these and it never came back
http://www.clubrsx.com/cr/CLU-CEL-ANG.html
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