Hello
I use VHT Flame proof 2,000 Degree F Header Paint for car exhaust headers from Pep Boys Auto Parts. It seems to work very well! see pic below.
This Paint is Flame Proof and will NOT burn off. They use it on JET Engines!! See pic Below:
http://www.vhtpaint.com/products/flameproof/
VHT FLAMEPROOFâ„¢ COATING
VHT FlameProof™ Coating will renew and extend the life of any surface exposed to extremely high temperatures. This unique coating is a matte finish, silicone ceramic base widely used by the automotive industry on exhaust systems and the aerospace industry for jet engines, re-entry vehicles and other high temperature applications. VHT FlameProof™ Coating will withstand temperatures up to 2000°F (1093°C) and is ideal for use on headers, exhaust systems, or wherever an extreme temperature coating is needed.
Temperature: 1300°F-2000°F (704°C-1093°C)
Applications: Headers, Exhaust Manifolds, Piston Domes, Inside Heads
Finish: Flat
Dry Time: Curing time required and can be done on or off vehicle (see below)
Curing FlameProofâ„¢
VHT FlameProofâ„¢ Coating only attains its unique properties after correct curing (refer to instructions on the can).
On the Vehicle
Paint must be completely dry before curing
Run at idle for 10 minutes
Cool for 20 minutes
Run at idle for 20 minutes
Cool for 20 minutes
Run under normal operating conditions for 30 minutes
Off the Vehicle
Paint must be completely dry before curing
Heat to 250°F (121°C) for 30 minutes
Cool for 30 minutes
Heat to 400°F (204°C) for 30 minutes
Cool for 30 minutes
Heat to 650°F (343°C ) for 30 minutes
Caution: Do not exceed the temperature of the least heat tolerant component or the base metal
Coating System
VHT provides a multi-high performance coating system for the ultimate in protection and quality. The system includes surface preparation, primer, paint and clear coat.
Prep SP445 Prep Spray
Prime SP118 FlameProofâ„¢ Primer
Coat SPXXX FlameProofâ„¢ Color
Finish SP115 FlameProofâ„¢ Clear