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View Full Version : Straight pipe after cat rust


rabbito
10-29-2016, 05:11 AM
my cat? its rusted inside out..its making loud tinging noise when idle or accelerate...i was going nuts...i found some shops that does full exhaust but its $700...plus gains only about 5whp...i dont want their full exhuast cause i already have an aftermarket header...

anyways i went to HKS exhaust shop...supposly they do all kinds of exhaust modifications...paid $50 and they cut off the rusted part, replaced them with matching diameter straight pipe

noise level: sound increased to slight bumble bee noise..no, its not like honda vtec on straight pipe..
performance: some are arguing how they lost power but i didnt lose any hp..5762157622




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SirDigby
10-29-2016, 01:53 PM
but now without a cat your car will stink... like an old turd car

rabbito
10-29-2016, 01:55 PM
but now without a cat your car will stink... like an old turd car
im running E85...smells like a fresh corn in the moring 😆😆😆😆
🌽🌽🌽🌽🌽

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jra
11-02-2016, 04:17 AM
If you remove the cat computer will give engine a richer fuel mixture, will use more gas and turn check engine light on. I think you can get ox sensors that will lie to computer to keep cel off but still may run rich.

rabbito
11-03-2016, 01:11 PM
If you remove the cat computer will give engine a richer fuel mixture, will use more gas and turn check engine light on. I think you can get ox sensors that will lie to computer to keep cel off but still may run rich.
im on E85...richer the better...👌

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thebarber
11-03-2016, 01:25 PM
we all breathe the air...put a cat back on

rabbito
11-03-2016, 01:50 PM
we all breathe the air...put a cat back on
im running on corn oil...no polution here...😇

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