Bully Dog 81201 Rapid Flow - Manual (Page 10)

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rAPid FlOW inSTAllATiOn
rapid Flow exhaust # 81010,81201
Congratulations for choosing the finest coatings available. We’ve engineered our exhaust coatings to provide a
durable, long lasting finish. HPC’s coatings are guaranteed, no-nonsense products, which are proven winners in
every facet of motorsports. If properly maintained your HPC protected parts will provide you with years of satis-
faction. The following are some helpful suggestions to maintain your HPC coated components.
engine break-in and dyno testing
When breaking-in a new engine, valve train, or when dyno testing, it is extremely important to insure that ad-
equate heat-quench occurs to the coated exhaust components. Stagnant air coupled with the high engine RPM’s
associated with break-in or dyno testing can result in exhaust components exceeding the temperature limits of
the aluminum in HiPerCoat’s® matrix (1300° F/704° C).
Unequal fuel distribution or improper ignition timing will result in extreme EGT’s (exhaust gas temperatures)
which will exceed HiPerCoat’s temperature limitations.
To eliminate this problem HPC highly recommends the use of a large fan directed at the engine bay to dissipate
the heat.
Make certain all cylinders are functioning properly! Static-time your engine prior to starting it up for break-in.
Coating maintenance
A variety of chemicals are being used on racetracks and highways today. Make it a habit to regularly wash and
rinse-off your coated parts. To maintain a beautiful finish, and prevent surface and substrate corrosion for years to
come, we recommend the use of HPC HiPerWash™ spray cleaner for routine maintenance to remove road grime,
salt and oil from the coating, and HPC Liquid Buff™ cleaner/polish for heavily oxidized or stained coating.
Severe weather and climate conditions
HPC HiPerCoat is designed to be galvanically active and thus self-sacrificial. Salt, chemicals, moisture, and cyclical
temperatures on exhaust components are very damaging to, and can accelerate the deterioration of the coating.
To increase the coating’s life in severe environments, HPC recommends the following maintenance:
Use HPC HiPerWash cleaner and high-pressure water to remove baked-on chemicals such as road salt, grime,
and debris.
HiPerWash is specifically formulated to help remove oil, road grime, and salt without damaging the aluminum in
the coating and is safe for all coated, painted, and polished surfaces.
DO NOT USE ANY TYPE OF CAUSTIC SOLUTION to clean your HPC coated components! After washing, wipe-off
coated components with a soft, clean cloth or blow-off using dry compressed air.
Oxidation and stain removal
Stains such as oils, transmission fluid and antifreeze can be easily removed from the surface of HiPerCoat’s pol-
ished aluminum finish with fine steel wool or Scotch-Brite™ (maroon #7447 General Purpose Hand pads or gray
#7448 Ultra Fine Hand Pads) and HPC Liquid Buff™ Cleaner & Polish. After removing the stains polish to a high
luster finish with Liquid Buff and a soft cloth.
How to maintain HPC HiPerCoat® Coatings