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11-16-2021, 07:35 AM
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#1 |
 
Drives: '11 2SS/RS L99 Vert IO Interior Join Date: Nov 2015
Location: FL
Posts: 296
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Is a high flow cat inviting problems?
I have an extended warranty. Will a high-flow cat void the warranty? Also, I already have a CAI and performance mufflers. Will I need a tune after that sort of mod?
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11-16-2021, 09:26 AM
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#2 |
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Instagram: Sangstah
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Yes and yes. It will affect your o2 sensors as well.
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11-16-2021, 10:39 AM
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#3 |
            
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 13,717
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^^^ exactly what he said...
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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02-27-2022, 02:43 PM
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#4 |
 
Drives: 2012 ZL1 Join Date: Apr 2015
Location: Kitchener ON, Canada
Posts: 176
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It will void your warranty. However the tune question is debatable, some say yes you need a tune and some say no.
I personally had a Roto fab CAI, 2.85 pulley , long tube headers and straight pipe, no tune and it ran great!!! But without a tune you will get a cat inefficiency code from the 2nd O2 sensors, that won't effect performance but the light is annoying.. most people have that code tuned out.
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 2012 ZL1 preproduction car #13 ROTO-FAB intake / IC reservoir , 2.85" upper , ported inlet |
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03-13-2022, 06:37 PM
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#5 |
Drives: 2012 ZL1 - #670 Join Date: Jun 2009
Location: Seminole, Fl.
Posts: 8,009
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I've had Solo HF cats for about 10 years now. The Solo's come with rear O2 extenders, that get the sensors out of the stream and won't give a CEL. I also have had a tune for the past four years, mainly for the trans.
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05-23-2023, 09:12 AM
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#6 |
 Drives: 2010 Chevrolet Camaro SS Join Date: May 2023
Location: New Bern NC
Posts: 4
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Stainless Works Header and Cats Install do I need a tune?
I have a 2010 Camaro SS, 6.2 Auto trans and I'm adding Stainless Works headers and cats, along with cat back stainless exhaust upgrade. I have read some about needing a tune and not needing a tune..... do I need it or not?
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05-23-2023, 09:40 AM
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#7 |
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Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 13,717
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To get the most out of those mods, yes you will need a tune, otherwise you will at some time or other get a CEL.
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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05-28-2023, 08:37 AM
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#8 |
 Drives: 2014 Camaro SS Join Date: Jun 2020
Location: Texas
Posts: 72
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I melted my high flow cats
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