Tomei Powered EXHAUST SYSTEM - Manual (Page 8)

2. Remove both A/F sensors from the stock unit (front and rear). Then remove the stud bolt from the
Stock unit. Make sure as not to get them mixed up (marking them will help).
3. Use the supplied exhaust manifold gasket ①, fit the exhaust manifold to the cylinder block first.
※The Gasket is supplied in the kit (Ref: ① on the previous page).
4. Use the Flange Nut, Disc Spring and Bolts that are supplied with the Exhaust Manifold, then fit the
manifold bracket.
※M10 Cap Bolt (⑥ on previous page), disc spring (⑦ on previous page) and Flange Nut (⑨ on
previous page) are used.
5. Install a coupler on each A/F sensor. Check the wiring for any signs of interference, secure the wires
in place with a cable tie.
※Cable Ties (⑩ previous page) are used.
6. Install the Metal Catalyzer (or Straight Pipe) , by using the nuts, bolts and gasket.
※Gasket (②/③ on the previous page) Flange Bolt (⑧ on the previous page) and Flange Nut
(⑨ on the previous page) are used.
7. While paying attention to the clearance of each part, starting from the front to do the final tightening
Torque Specs [T=35N・m(3.6kgf-m)]
8. Connect the A/F Sensor or if not required, use the blind bolt to seal it. (Metal Catalyzer Model Only)
CAUTION
・During final assembly and tightening of all parts together, check to be sure that nothing comes into
contact with other body parts that may cause some interference.
In some cases, there may not be sufficient clearance due to individual vehicle differences. In such case,
loosen all the products bolts of each component after mounting them, you can then re-adjust to suit
before finally tightening all bolts.
・If any signs of dirt, grim and oil is found on the exhaust system after installation, thoroughly clean it
all off before starting the engine.
・Depending on usage and users preference, you can then apply any thermal insulation to the other
body areas.
3．RETURNING AUXILARY PARTS
１. Re-install any other parts that you intend to re-use that was removed earlier.
2. Reconnect the battery's negative terminal.
4. INSTALLATION VERIFICATION
1. Check to be sure that there are no interference with any part.
2. Start the engine, have it idle and then revved up to 2500rpm to check for any abnormal sounds.
Start the car in a well ventilated area as there will be gases coming from the newly installed
Thermal Bandage on the Exhaust Manifold once heated up.
3. Have a slow speed test drive to check for any loose items or unusual noises again.
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