So you don't really need these for the kit to run well with the 9lb pulley. The maf upgrade seems like a good idea for some idling issues people have had.
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Works Emotion CR Ultimate - FI CBE w/ 18" resonators - Ecutek - eibach sways - Quaife - FI LTH w/race cats - kw v3 - spl - Topgunz SC - 488whp 398trq
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