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05-04-2020, 06:36 AM
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#1 |
 Drives: ZL1 1LE Join Date: Jul 2019
Location: US
Posts: 21
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ZL1 6.2 Headers upgrade?
Ive got a ZL1 1LE stock other than soler performance TB and drop-in KN filters for my 2017 (stock 650 hp).
Where do I go next? I am concidering a tune and new headers. What do you think? How many catalytic converters do the lt4 have? What would this add? https://www.rdpstore.com/p-11156-koo...16-camaro.aspx |
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05-04-2020, 08:26 AM
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#2 |
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Account Suspended
Drives: 2012 2SS CAMARO 45th Join Date: Apr 2011
Location: St. Charles, IL
Posts: 18,648
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The ZL1 has four catalytic converters and if you go with a set of long tubes all four are removed. They make solid power especially once the car is tuned. I'd also grab a Rotofab intake. When you're ready we'll get you the best price on both.
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05-04-2020, 09:53 AM
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#3 |
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Oh Oh it's Friday Night!
Drives: 2018 ZL1 1LE Nightfall Gray Join Date: Jan 2018
Location: Walton Woods
Posts: 1,075
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Depends on how you intend to use your ZLE. If you are going to drive it on the street, I’d invest in a better street tire like the Michelin PS4s and save your stock tires in case you become involved in track events. If you are just after sound, adding a cat or axel back exhaust system is an option. Just remember, adding long tubes will impact your warranty because it will require a tune. If you live in a state which requires an emission inspection, removing your primary cats will likely cause you to fail. Not saying don’t do LTs and a tune, but just know the consequences of your decision. These cars are seriously fast just plain ol’ stock.
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2018 Camaro ZL1 1LE NFG; ARH 2” headers, catless mids, ARH full exhaust, Lingenfelter 18% lower pulley, ATI Harmonic Balancer, Roto-fab CAI, EE-catch can, TM ported TB, NX Lid, BMR strut tower brace. Aeroforce dual pod interceptor gauges. Tuned by Vengeance Racing!!! 644 HP @ 6250 rpm / 689 trq @ 3660 rpm
Four that wanna own me Two that wanna stone me One says she's a friend of mine... |
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05-04-2020, 03:26 PM
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#4 |
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Drives: ZL1 1LE Join Date: Jul 2019
Location: US
Posts: 21
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I do track the Car and run r888.
Looking to Gain hp and sound. But headers with one set of cats (instead of 2) should pass emissions? Will the ECU/ computer tell if i remove the tune ahead of leaving it at the dealer? If there are any issues that is. |
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05-04-2020, 03:43 PM
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#5 |
 Drives: Camaro ZL1 Join Date: Jan 2018
Location: Kansas City
Posts: 201
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If you are driving the car on track, leave it standard (warranty).
I am personally very happy with my setup: Roto-fab, 103mm throttle body, Kong ported blower, Kooks 2 inch headers, flex fuel, TCM (auto) and EMS tune. Goes really very well, lots faster than standard. |
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05-04-2020, 04:37 PM
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#6 | |
    Drives: 2018 Hyper Blue ZL1 1LE Join Date: Dec 2018
Location: CA
Posts: 1,365
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Quote:
Assume you know this but in case you don't... if you're circuit tracking the car, the ZLE stock GY SCF13R tires are the best track tire for the car, except perhaps new Hoosiers. R888R are a significant downgrade in terms of overall grip and sustained performance throughout a 20 minute session, but I assume the R888R are your street tires--they're good for that. |
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05-04-2020, 05:16 PM
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#7 |
      
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,875
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If you get headers and a tune your drivetrain warranty is gone. Plain and simple!
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ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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