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Old 04-23-2001, 06:14 PM   #1
Scooby Specialist
Member#: 1744
Join Date: Jun 2000
Chapter/Region: VIC
Location: Vancouver
'11 STi

Question Wrapping exhaust?

Anyhow, a pretty stupid question.... I've seen a lot of people wrap their headers w/fibreglass - i'm thinking that this is to keep exhaust gasses up, hence speeding up their flow backwards. Therfore, i'm thinking of maybe wrapping my exhaust to see if there is a diff. I'm currently running a 2.5" catback on an na engine - would wrapping the exhaust alleviate "some" of the backpressure problems due to the large diam. of the exhaust piping? Just a thought, please don't flame me. Also, if i did decide to wrap the exhaust, would there be problems w/ rust due to moisture and debris sandwiched up between the fibre and exhaust? Thanks.

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