PerTronix JBA Exhaust 1920S - Manual (Page 3)

1. Place vehicle in a location where the floor is solid and flat, with adequate lighting. Do not attempt to work on a hot engine. Heat
causes metal to expand and makes removal of fasteners difficult at best. Disconnect the battery cables from the battery. Raise the front
of the vehicle to obtain adequate access to the bottom exhaust manifold flanges. Use large-base jack stands to support the vehicle. Do
not rely on the jack! Block the tires to prevent the vehicle from rolling off the jack stands.
2. Spray WD-40 or some type of penetrating oil on all accessible exhaust manifold fasteners and fittings before attempting to remove
them.
3. Remove plastic shield from under side of frame.
4. Loosen the exhaust system, apply lubricant to the rubber hangers, slip exhaust off of front exhaust pipes.
5. Unplug O2 sensors, Unbolt front exhaust pipes from manifolds. Remove from car.
DRIVER’S SIDE:
6. Remove the O2 sensor from factory exhaust manifold.
7. Remove the four 10mm nuts from the heat shield on the exhaust manifold. Then remove the heat shield.
8. Remove the bolts attaching the manifold to the head. Remove manifold.
9. Scrape and carbon build up from head, being careful not to gouge the head surface.
10. Install the new JBA header using the factory gasket and hardware provided.
11. Install O2 sensor into the header with a carefully placed dab of anti-seize on the threads.
PASSENGER SIDE:
12. Remove the O2 sensor from the manifold.
13. Remove the four 10mm nuts attaching the heat shield to the exhaust manifold. Remove the heat shield.
14. Remove the bolts attaching the manifold to the head. Remove manifold.
15. Scrape carbon build up from head, being careful not to gouge head surface.
16. Install header using factory gasket and hardware provided.
17. Install the O2 sensor.
EXHAUST:
18. Apply a small amount of O2 sensor safe, Hi-temp RTV silicone sealer to the flared area of the exhaust pipe.
19. Install the front exhaust pipes using the hardware provided. Re-connect the lower O2 sensors.
20. Re-connect the exhaust system to the front exhaust pipes. Align and tighten securely.
21. Re-check everything.
22. Start engine, check for leaks.
23. Replace plastic shield.