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I1LEST · 03-26-2019, 01:56 PM

I finally got around to the "51" fuse pull and secondary cat delete today. I have to say I finally have some exhaust sound in 9th and 10th gear (mostly thanks to the fuse pull). Before, I could feel the back-pressure of the closed valves when in auto mode when I slowly increased pressured on the gas pedal. It was completely silent until I hit 2K RPM. In manual mode, hitting the gas in 9th or 10th resulted in no exhaust sound whatsoever.

As for the secondary cat delete, I sense there's only a minor bump in sound, but only in higher RPMs. Hard to tell though. May be time to go with a Corsa Extreme axle-back to get the bump I need.

03-26-2019, 01:56 PM	#1
I1LEST Drives: 2017 Chevrolet Camaro ZL1 Join Date: Feb 2017 Location: Arlington, VA Posts: 20 View My Garage	ZL1 A10 Fuse Pull + Cat Delete I finally got around to the "51" fuse pull and secondary cat delete today. I have to say I finally have some exhaust sound in 9th and 10th gear (mostly thanks to the fuse pull). Before, I could feel the back-pressure of the closed valves when in auto mode when I slowly increased pressured on the gas pedal. It was completely silent until I hit 2K RPM. In manual mode, hitting the gas in 9th or 10th resulted in no exhaust sound whatsoever. As for the secondary cat delete, I sense there's only a minor bump in sound, but only in higher RPMs. Hard to tell though. May be time to go with a Corsa Extreme axle-back to get the bump I need.