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Discussion Starter #1

I drive a Mercedes SL63 2011, and i'm thinking of changing to Longtube headers and I need your expert advice on what to do.

What's better Kleeman Or Weistec Or which other brand you recommend for the SL63 2011?

And should I get it installed with Cats or without?

Please let me know, your reply is greatly appreciated.

Thank you.
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