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exhaust wrap

  1. Exhaust Heat Wrapping?

    99-03 7.3L Performance Parts
    I just purchased a diamond eye turbo back exh. and have some new exhaust header wrap laying around,Does It make any diffrence at all if i wrap the down pipe? the reason why i asked is cause someone told me not to because when ever it gets wet it will stay wet and eventually begin to rot the down...
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