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 Nissan Frontier Forums : Problems / Technical
Subject Topic: Help please, what to do with my exhaust Post ReplyPost New Topic
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Gregg C

Joined: Nov 19 2019
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Posted: Nov 19 2019 at 4:32pm | IP Logged Quote Gregg C

Hey guys,
2004 Frontier V-6 VG33ER
Im experiencing high fuel consumption, low power and I have
received a check engine light, scanner code was catalytic
I believe I have one or more cats that need replacing.
Looks like there are 4 catalytic converters, my questions;
Can I replace the entire exhaust with out cats ??
Is there a header system out there for my truck ??
What have you guys done short of spending $2k for an entire
new factory Nissan exhaust ??
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U.S. - Pennsylvania
Posted: Nov 27 2019 at 5:35pm | IP Logged Quote frontierguy

The big question is "what caused the cat/s to fail?
There are aftermarket alternatives for ex. parts. Do you
have a local ex. specialty shop?


'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.

Nissan Technician 25 + years
2011 John Deere X720SE
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