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Old 29-02-2016, 11:17 PM   #13
zdenko
2002 XR6 VCT Owner
 
Join Date: Mar 2011
Location: Sydney
Posts: 51
Default Re: Heat shield or not on extractors

I can't believe no one has pointed out the obvious here.

The heat shield is there to reduce the heat radiating up to the heads, air intakes, radiator hoses etc which in turn gives lower combustion temps which benefits efficiency and power.

Manufacturers don't just put them there for fun, if they didn't need to they would save the money.
Have a look at any proper race car(not a backyard job) and they will have heat reflectors or shields as well.
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