For basic bolt ons:
AEM CAI
DC Sports 4-2-1 Header
Anything but Tanabe (They have a 3" long bottleneck less than 2.25" in diameter)
For serious all motor build:
Large Diameter Short Ram (Injen, RS Akimoto)
JDM Style 4-1 or 4-2-1 with longer primaries (Spoon, HyTech, SMSP) and 2.5" collector
2.5-2.75" exhaust (HyTech, SMSP)
There are reasons for the differences, which I can go into if anyone is all that interested.
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