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Old 04-30-2020, 11:03 AM   #81 (permalink)
Tahoe_Hybrid
Master EcoModder
 
Join Date: May 2019
Location: California
Posts: 512

2020 - '08 Chevy Tahoe H
Last 3: 18.4 mpg (US)

2021 - '08 Chevy Tahoe H
90 day: 17.08 mpg (US)

2022 - '08 chevy Tahoe LT
Last 3: 14.38 mpg (US)

2023 - '08 Chevy Tahoe
90 day: 25.57 mpg (US)
Thanks: 2
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Quote:
Originally Posted by cRiPpLe_rOoStEr View Post
AFAIK exhaust wrap also allows the catalyst to heat up sooner, decreasing the so-called "cold phase" which is where most of the harmful emissions are generated. Seems ideal for a hybrid, considering its engine would be operating in a more intermittent way in city driving. On a sidenote, besides protecting nearby components more sensible to heat, retaining more heat at the exhaust flow instead of allowing it to irradiate is often claimed to improve its flow.
this is an issue my cat will drop in temp when DFCO happens

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