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Old 06-25-2018, 08:44 AM   #43
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Originally Posted by joeybsyc View Post
So I'm still trying to determine if manual SS exhaust systems are different between 2010 and 2013. Almost has to be something added to the 13 to make it quieter.
Did you have an L99 on both?
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Old 06-25-2018, 10:05 AM   #44

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Originally Posted by Dusk_2SS View Post
Did you have an L99 on both?
No, bother were M6 cars, both 100% stock prior to puttin on JBA catless midpipes and a SCT tune to turn off the rear O2's. The 2010 was much louder and "crackled" on decel much more than the 2013 with the exact same midpipes. Thinking there must be a difference in the rest of the exhaust on an M6 SS car between 2010 and 2013 to quiet them down... or a SCTx4 tuner tunes out decel pop whereas the SCTx3 i used on the 2010 did not. Was curious if anyone knew why the '10 would be louder.
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Old 06-25-2018, 10:12 AM   #45
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Originally Posted by flynhawaiianss View Post
Yes the resonator that looks like the picture posted above is only on the L99 autos. LS3's do not have the same resonator.
I learned something new today!
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Old 06-25-2018, 11:15 AM   #46
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resonator delete

[QUOTE=Shaun SS;4259543]I've got Magnaflow Catback Exhaust, but I want louder.. Is resonator delete a route to go?
One place quoted me 150 the other says 750 lol.
Will I have a check engine light come on?[/QUO

When I had a X-pipe installed,it deleted my resonators and with the Borla Ataks
it's loud at WOT,sounds great @ an idle too!
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