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OBSSET, No I have not checked to see if they moved when the engine was started. However I did use a screwdriver to remove the tension on both ends of the spring on each side :-). This seems to make it sound closer to my stock 2010. So I am assuming this is some sort of spring loaded butterfly valve designed to keep the exhaust tone down under low RPMs.
Anyone else seen these (see pictures above) on their 2011 stock exhaust, vert or otherwise?
Like as stated before, my 2010 L99 did not have these.
I did contact SLP regarding their catback system and here is the reply is received:
"Part# 30220 cannot be used on a convertible due to an extra support that is in place.
Headers and cats will fit and all axle backs will fit."
I sent a reply asking if they will have a catback system that will work with the vert in the near future. I will post their reply.
Anyone know of another good catback that works with the L99 vert?
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