Down pipes

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Shokev

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Does anyone why the cat lees pipes are cheaper ?


Sent from my iPhone using Tapatalk
 

SoFloSHO

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I want to get some catless down pipes because it seems like there would be more power without cats, but has anyone had any drawbacks or cons to running without cats?
 

FiveLeeter918

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I want to get some catless down pipes because it seems like there would be more power without cats, but has anyone had any drawbacks or cons to running without cats?

if not tuned correctly you'll get a lot of raw fuel smell, but I haven't run cats on any car since 2008 and have zero drawbacks.
 

Zpak

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If it wasn’t for being required to pass emissions tests I would be catless all day.

They steal your breath... the animal, and catalytic converters.
 

yaycandy

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The cadillac derverters also get very very hot right next to your ptu with fords “forever fluid” in it. Probably why the fluid is real bad the first time its extracted
 

b4black

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They can tune the CEL off, but the readiness monitors will still lead to a fail on many emissions tests.
 

Angrymongoose

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Most tuners wont do that anymore. Big risk with the EPA to mess with that cell. You are much better off getting a set of defoulers.
 

Lostneye

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Most tuners wont do that anymore. Big risk with the EPA to mess with that cell. You are much better off getting a set of defoulers.
SCT's parent company got in trouble for this and had to pay a large settlement.
 

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