Underbonnet Heat Shielding

[Pacman1972]

I've seen quite a few Tuscans with blistered bonnet paint above the engine.
Does anyone know a good source for heat shielding and how much is needed?

[Walford]

http://www.nimbusmotorsport.com/

[Basil Brush]

I used some thermo tec mat to protect mine. It's only the area above the exhaust manifold.

[nrick]

removing the cats helps a lot