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#1 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: ‘13 1LE Join Date: Jul 2013
Location: Earth
Posts: 3,904
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Cat Quality on Aftermarket LT Headers
Ok, there are a bunch of threads on best bang for the buck headers, best headers, etc, everywhere on here.
I want my "best bang for the buck LT headers" to come with cats as well. However I heard a rumour that out of the big 3, "best bang for the buck header" vendors on here, and that would be OBX, TSP, and Stainless Power, whilst all three are great headers, one of them has had more problems in the cat department. True or false? I'd like this thread to be about, what are the difference in cats, between these three? |
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#2 |
My Dream Car
Drives: 2011 SIM LS3 1SS Join Date: Jul 2009
Location: staten island
Posts: 1,534
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I have the SP with HFC, no issues what so ever, have them for about 6 months, have them tuned as we'll. all if the ones you mentioned are good, it comes down to personal preference.
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CAI intake/ADM Scoop/Stainless Power Headers/Dynatech cat back exhaust/Vitesse Throttle Control/ Ported Throttle Body/QTP Electric Cutouts/ 3.91 gears and janetty rear posi/ Tuned by Janetty racing
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#3 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: ‘13 1LE Join Date: Jul 2013
Location: Earth
Posts: 3,904
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I read somewhere on here (but I'm not going to post up the link and start a vendor war) that the hi flow cats from one brand of headers, were prone to becoming blocked and toast, before their time. Now my thinking was when I read this, he probably wasn't tuned correctly, and most likely, running too rich, which of course is instant death to any catalytic converter.
I just want to be sure I make the BEST choice here before I place my order in a few weeks. |
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#4 |
Search Ninja
Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009
Location: Central Ark
Posts: 7,183
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As long as you're not going to boost your engine, it shouldn't be a problem. I've been here since 09 and I haven't seen overly abundance of failed cat threads, except in the FI section. That's not to say it doesn't happen, just not enough to say X cat is of poor quality.
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2010 Black 2SS/RS A6
Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train. |
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#5 |
![]() Drives: 2011 2SS Synergy Green Camaro Join Date: Feb 2013
Location: Maryland
Posts: 188
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I think the high flow cats I have on my 2011 ss camaro with long tube headers are partially clogged. I noticed a loss of power and a different exhaust sound on startup and during driving.
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#6 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2010 Inferno Orange 2SS/RS Join Date: Apr 2010
Location: Clermont, IN
Posts: 3,297
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0 issue with OBX
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2010 Inferno Orange 2SS/RS M6 Black Leather, Sun Roof, OBX Headers, Borla touring axle back, Cold Air Inductions CAI , non synthetic fluids, BMR total bushing upgrade/1" lowering springs, DSE 32mm rear sway bar. GM fe4 shocks/struts/LCA's, AAM 3.91 diff, Vertini RFS1.8 20x9 +30. Conti ExtremeContact Sport 275/35/20. sjm autoprod ABL dash kit. Mike Norris tuned 413/419.
Avenging Orange: 43 years of not buying into the Hype........and damn proud of it!! https://youtu.be/9JD9it6SmB8 https://youtu.be/xmelTlEzI34 KICKING CANCERS ASS SINCE 2015!! |
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#7 | |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: ‘13 1LE Join Date: Jul 2013
Location: Earth
Posts: 3,904
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Quote:
What device or method did you use to tune your ride post header install? |
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#8 |
Drives: 1994 1LE / 2006 Z51 Corvette Join Date: Jul 2009
Location: Plano, TX
Posts: 2,829
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We chose a trusted manufacturer for the cats in our systems as this was not something we wanted to build in house.
Eastern Catalytic Converters does all of the high flow cats for our systems. Eastern Bullet Cat™ Converters provide significantly less backpressure for better flow and higher horsepower and torque.* Available with either 200-cell metallic foil or 400-cell ceramic substrates, Bullet Cat’s fully welded tube construction has no mechanical seams that can leak or open up under stress. Their compact, stainless steel ‘can’ resists corrosion and fits easily in tight applications. Rated for applications up to 5.9L/6,000 lbs.* Tested with header applications on engines up to 8.0L/V12 While our headers have a full limited lifetime warranty, the cats are covered for 5 years and 50,000 miles. |
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#9 |
![]() Drives: 2011 2SS Synergy Green Camaro Join Date: Feb 2013
Location: Maryland
Posts: 188
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I have stainless works. Very easy install and it's been six month before the problem occurred. They aren't throwing any lights so it's a trial and error thing. I used the diablo trinity tuner with a jannety racing tune on it.
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#10 | |
10-bolt Destroyer
Drives: 2012 Camaro 2SS/RS - AGM, LS3/6M Join Date: Jun 2012
Location: Canukistan
Posts: 860
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Quote:
Better get under there and unbolt the cats to take a peak. Running your car with plugged cats is not a good idea.
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2012 Camaro 2SS/RS - LS3/TR6060: Cam, Headers, Exhaust, Intake, Gears, Twin Disk, Suspension, Tuned - 475rwhp, 443rwtq |
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#11 | |
10-bolt Destroyer
Drives: 2012 Camaro 2SS/RS - AGM, LS3/6M Join Date: Jun 2012
Location: Canukistan
Posts: 860
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Quote:
So with that said, i doubt its manufacturer specific.
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2012 Camaro 2SS/RS - LS3/TR6060: Cam, Headers, Exhaust, Intake, Gears, Twin Disk, Suspension, Tuned - 475rwhp, 443rwtq |
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#12 |
![]() Drives: 2019 Grand Sport Join Date: Jan 2014
Location: Wellington
Posts: 87
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Question, I never see Doug Thorley long tube try y ceramic coated headers or exaust mentioned. Pricing seems to be the most competitive around in all areas. Is there a reason I'm missing? Looking for help!
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#13 |
Search Ninja
Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009
Location: Central Ark
Posts: 7,183
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What does this have to do with the OP thread?
__________________
2010 Black 2SS/RS A6
Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train. |
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#14 |
![]() ![]() ![]() Drives: none (yet) Join Date: Jul 2012
Location: The Villages, FL
Posts: 1,131
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no cats= problem solved
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