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WickedEP Racing - WEPR CT9 oem manifold upgraded
WEPR CT9 oem manifold upgrade PDF Print E-mail

One of the easiet ways to free up horspower from your 4E. dyno proven average of 7-9hp increase.

Cost: WEPR mild steel o.e.m CT9 manifold upgrade - USD $350 shipped
  WEPR 321 s/s o.e.m CT9 manifold upgrade - USD $475 shipped