X Pipe and secondary cat(s) removal regrets R171 AMG - Mercedes Benz SLK Forum

Performance MODS for the R171 Tuning and Performance modifications for your SLK

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#1 Old 06-15-2018
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X Pipe and secondary cat(s) removal regrets R171 AMG

So I've read nearly every post on the subject of removing the resonator and secondary cats, and just when I think I'm ready to do it, I start having second thoughts. Last night while returning from a grocery store run (the long way), I might have gotten on the side of a Charger Scat Pack 6.4 liter and had to let up after pulling cleanly away from him at a light (NOT condoning racing...my lane was ending, so I needed to speed up to have a clear path to the continuing lane) Great...however his factory exhaust was SO loud, that it made me start to worry that maybe this isn't for me. So my questing is simple. Do any 5.5 AMG'ers regret the removal of the resonator and secondary cats?
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#2 Old 06-15-2018
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Loud sound does not equal power or speed
I only have front cats missing but as you know, I have the Supercharger, headers and straight pipes so not 'qualified' to reply to your query


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#3 Old 06-15-2018
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Hi All


Less is more



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Do it you won’t regret it! MB played it safe and made the stock exhaust note too tame!
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I'm not mean... but I am 'roofless' at every opportunity!
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#6 Old 06-15-2018
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BTW I think the new Dodges with exceptional power have a driver controlled cut-out (see 1970 Pontiac VOE).


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