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melbourne_ls1 · 03-17-2011, 11:08 PM

Bodih,

Thanks for checking on your LS3. This may be something only on the L99s. It does appear to be some sort of gate/trap, probably to keep the resonance down when AFM kicks in.
I have released the tension on the springs using a screwdriver to hopefully keep the gates open all the time. It does seem a little louder now, but still seems quieter than my stock 2010 L99 coupe was. Maybe I got to used to the SLP Loudmouth I on my 2010.

I have not had a response from anyone with an L99 vert indicating their exhaust had these or not.

03-17-2011, 11:08 PM	#11
melbourne_ls1 Drives: 2011 2SS Red Jewel Tintcoat Vert Join Date: Mar 2010 Location: Florida Posts: 160	Bodih, Thanks for checking on your LS3. This may be something only on the L99s. It does appear to be some sort of gate/trap, probably to keep the resonance down when AFM kicks in. I have released the tension on the springs using a screwdriver to hopefully keep the gates open all the time. It does seem a little louder now, but still seems quieter than my stock 2010 L99 coupe was. Maybe I got to used to the SLP Loudmouth I on my 2010. I have not had a response from anyone with an L99 vert indicating their exhaust had these or not.