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Old Jun 15, 2021 | 10:10 AM
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Hi my name is Curtiss and i traded my C6 for C7. i have a 2019 grand sport LT1. Yes already making modifications already. just bought vararam cold air intake. looking for longtube headers and x pipe any suggestions?
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Old Jun 15, 2021 | 10:13 AM
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Originally Posted by curtiss1
Hi my name is Curtiss and i traded my C6 for C7. i have a 2019 grand sport LT1. Yes already making modifications already. just bought vararam cold air intake. looking for longtube headers and x pipe any suggestions?



post a pic and welcome
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Old Jun 15, 2021 | 10:18 AM
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Welcome to the Forums
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Old Jun 15, 2021 | 11:35 AM
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Moving this to C7 General for some recommendations on headers/x-pipe.
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Old Jun 15, 2021 | 11:44 AM
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Originally Posted by curtiss1
Hi my name is Curtiss and i traded my C6 for C7. i have a 2019 grand sport LT1. Yes already making modifications already. just bought vararam cold air intake. looking for longtube headers and x pipe any suggestions?
Welcome
No mod suggestions, however to help you avoid confusion as you mod, 1LT is trim/feature level for your '19 GS, LT1 is the engine designation.
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Old Jun 15, 2021 | 12:30 PM
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I'm running the Kooks 1 7/8" with highflow green cats. The fit and finish has been great and the sound with the NPP in track mode is fantastic. With that said, I would also consider American Racing Headers as well as I don't think you can go wrong with either. Both are certainly more pricey than some of the other offerings, but I haven't heard of too many gripes about the Kooks or ARH offerings from this community.
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Old Jun 15, 2021 | 02:30 PM
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Midpipe will need to be different if partnering with LT headers, the oem bolt-on replacement pipes will not work with LT's just as an fyi
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Old Jun 16, 2021 | 04:55 AM
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thanks for insight.
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Old Jun 16, 2021 | 05:04 AM
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i looked at the american racing and kooks set up on video and both sound good. Question how do i know if i have NPP exhaust on my C7?
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Old Jun 16, 2021 | 06:28 AM
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Spotters guide method:

NPP: narrow gaps between all 4 tips are equidistant.
non-NPP: gap between center 2 tips is slightly wider than the others.
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Old Jun 16, 2021 | 08:15 AM
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