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02-14-2020, 05:11 PM
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#1 |
 Drives: 2018 1SS 1LE Join Date: Jul 2012
Location: Michigan
Posts: 287
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Texas Speed cats/FI
Has anyone used the Texas Speed headers with their cats on a FI car? If so....have they held up? I won’t be pushing anything above 600ish rwhp when it’s all said and done.
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2018 SS 1LE—707rwhp, 615rwtq
2009 Pontiac G8 GT—605rwhp, SOLD |
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02-14-2020, 05:45 PM
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#2 |
          Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,316
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I ran the standard Kooks cats on my car, many hard runs through the gears never had any issues, the TS cats look similar. IMO, the guys that are running rich mixtures of meth / eth which can go as low as 5:1 A/F max rich power are injecting a whole lot more thermal heat load into the exhaust than what you are doing. i.e. the ultrarich mixtures that can be run are not completely burnt and the combustion continues on the cat substrate (which it was designed for) and that just means it gonna get heck of hot heck of fast.
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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02-14-2020, 05:52 PM
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#3 | |
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Drives: 2018 1SS 1LE Join Date: Jul 2012
Location: Michigan
Posts: 287
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Quote:
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2018 SS 1LE—707rwhp, 615rwtq
2009 Pontiac G8 GT—605rwhp, SOLD |
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02-14-2020, 08:49 PM
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#4 | |
 Drives: 2018 1SS M6 Join Date: Feb 2018
Location: Michigan
Posts: 74
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Quote:
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02-14-2020, 11:28 PM
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#5 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,797
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Shouldn't be a issue at your power level.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
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02-18-2020, 02:29 AM
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#6 | |
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I have the TSP 1 7/8" long tube headers with catted connection pipes, be advised they don't have any 02 bungs in the cats, you will need the catted x pipe if you want the downstream 02 sensors functional, or you can make your own bung in the catted connection pipe.
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2017 Camaro SS 1LE
Pray ported TB/IM TSP 1 7/8 Long tube headers w catted con pipes Taylor plug wires Mishimoto oil cooler Elite X2 catch can |
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02-18-2020, 06:16 AM
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#7 |
Drives: Hyper Blue 2016 2SS 6M Join Date: Sep 2017
Location: North Ga
Posts: 1,787
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I'm in the mid 700's on standard Kooks cats. No issues in 5k miles including several track days. I run e60 on track days and most of the time on the street.
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Baby Blue
2016 Hyper Blue 2SS/6m/MRC/NPP/Silver Rally stripes/ZL1 wheels & brakes/GForce DS and axles/ZLE Cradle Bushings/FE4 ARB front & rear/SEMA Grill/Rotofab dry/95mm TB/Magnuson 2300/Full LT4 fuel system/JMS boost-a-pump/E85 Sensor/Ported CID heads from LME/Cammotion PD cam/Thompson Motorsports forged shortblock/catted Kooks 1 7/8 headers /JRE remote tuned |
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02-18-2020, 07:16 AM
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#8 |
Drives: 18 1SS 1LE HyperBlue Join Date: Aug 2018
Location: Twin Cities, MN
Posts: 612
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At 600-700whp there should be no problem running stock cats, being the LT4 cat is the same as the LT1 cat
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2018 1SS 1LE / HBM - ECS Novi 1500 S/C Tuned by Carl @ CJ Tunes
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02-19-2020, 09:00 AM
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#9 |
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Account Suspended
Drives: 2012 2SS CAMARO 45th Join Date: Apr 2011
Location: St. Charles, IL
Posts: 18,663
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If you drive the car a lot or put the family in it we usually recommend cats up until about 700rwhp. After that they can go pretty quick but tuning plays into as well.
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