Twin Exhaust. - Mercedes Benz SLK Forum

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

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#1 Old 07-03-2014
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Post Twin Exhaust.

So, after a few months of debating which exhaust to get (with all factors included such as cost, performance, appearance etc...) i decided to go with Powerflow custom built exhaust. They quoted me Ł850 for the entire exhaust which includes:
4-2-1 stainless steel manifold
down pipe
1 cat delete
1 hi-flow sports cat
the fitting of a QTP exhaust cutout (http://www.quicktimeperformance.com/QTEC/)
full stainless steel exhaust back from there with 2 chambered back boxes. As for tips, I had many problems with diffusers (as many of you will know with the constant sale, sorry) and decided to go with two cannons out the back.

I gave power flow my car yesterday and I hope to get it back tomorrow though that may be optimistic. This is the first of the big mods, though hopefully more will come.

Ill keep this space posted with pics, videos of the exhaust and a comparison between the sounds of stock vs new exhaust vs QTP.

Can't wait!
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#2 Old 07-07-2014
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Finally, from wednesday to this (monday morning), the exhaust has finally been finished. looks good, preforms great, sounds the best. video up soon.
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#3 Old 07-07-2014
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Do we get to hear it?
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#4 Old 07-07-2014
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Ill post a video soon.... just been for a quick drive and woah! With that QTP wide open it sounds like and F1 car! Insane!
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#5 Old 07-07-2014
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What brand mufflers are those?
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#6 Old 07-08-2014
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Powerflow... Vid coming tonight hopefully.
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