06-21-2018, 07:28 PM | #15 |
Drives: 2013 ZL1 Coupe Join Date: May 2018
Location: Michigan
Posts: 33
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06-27-2018, 04:32 AM | #16 |
American racing long tube headers
I have American racing LT and they are well made and add great power. I left the rest stock because you don’t gain much hp. https://youtu.be/NHjenE_yxOM
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BTR Stage Two Cam, ARH, Cold Air Inductions CAI, Circle D 3200, Eaton Detriot Truetrac with 3.91 GM Gears, BMR rear trailing arms, BMR toe rods,rear cradle bushings
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06-29-2018, 06:58 PM | #17 |
Drives: 2013 ZL1 Coupe Join Date: May 2018
Location: Michigan
Posts: 33
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So should I get hi flow cats or cat delete. Since the car is out of warranty and I dont live in a state that requires emissions checks, I would guess I would get cat delete.
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07-07-2018, 04:54 PM | #18 |
Drives: 2013 ZL1 Join Date: Jan 2017
Location: Fort Myers, FL
Posts: 101
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Alright, I’ll show you the secret. There are 2 90 degree angles in the stock exhaust. I have TXSpeed 2” primary headers, and I redesigned 3” piping back to the mid section with only 45 degree bends and QTP oval cut outs. This allows the factory mufflers to stay in place, fixes the full system to be more efficient and just open up the dumps from inside for full performance and sound.
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