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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI
Join Date: Dec 2019
Location: SoCal
Posts: 3,833
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Quote:
Originally Posted by gankah
Hey guys, I have a 6th gen ZL1 A10 post 2019 refresh.
I bought the car as a 2nd owner with 6,xxx on the odometer. It had no modifications except the 4 ZL1 Addons jack plates. I drove the car for a few weeks with no modifications. It never popped once, which I have heard extensive burbles from all of the SS’s and ZL1’s I’ve been around. And mine never would do it. I know you can add/remove w/ tuning, but I found it weird mine didn’t do it. So I added an MBRP race cat back (also did an intake.) Super loud, but no pops. Then, I took out the secondary catalytic converters. Now, it will pop, but only on upshift? Like if I’m in first, click the upshift paddle and give it gas (as it’s shifting, so I don’t really go anywhere) it will pop super loud. But never just letting out of the throttle, like it’s supposed to.
Why?
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Try this, when in manual shift mode and while in 2nd gear really lay on the gas and accelerate hard, get the RPMs up to about 4000 or so and then let completely off the gas and let the car coast, doing that makes my 2020 SS pop and gurgle like made...
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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB
Left: My "fun" ride (475 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate...
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