Where are located the spark plugs, I cant even see the cables, it should be a pain in the a.. to change them.
Besides, how can I know if my car is CA emission or Fed

 

according to stillen, u have to change the whole wiring kit which cost $250 for 4 hp gain. it's not worse it


J

 

To change spark plugs (from Nissan service manual):

(1) Remove left side rocker ornament.
(2) Disconnect ignition coil harness connectors.
(3) Loosen ignition coil fixing bolts and pull out coil from intake manifold connector.
(4) Remove spark plugs.
(5) Gap adjustment not needed.
(6) Re-install plugs. Torque to 14-22 ft-lb.

Notes: The "ornament" is that big thing with Nissan stamped on it. There are no spark plug wires: coils are used. No torque spec given for the ornament.