I NEED DOWNPIPES!
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Senior Member
Joined: Dec 2013
Posts: 435
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From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
I NEED DOWNPIPES!
Ugg this thing is just not loud enough for me! First person that drops the DP and tune combo is getting my biz
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Joined: May 2015
Posts: 21
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RENNtech GT-S / RENNtech CLA45 Shooting Brake
Just out of interest, do you have the performance exhaust or STD?
I somehow have the feeling that the performance exhaust sounds different and "sharper" but I would even say the STD exhaust is louder on the C63 BT.
But the possibility to make is quiter with the flaps is a nice thing, especially on longer trips...
I am sure DPs will come out shortly by several tuners, been at RENNtech (Germany) yesterday, they have a prototype ready but their C63 was "in pieces" so I couldn't get a sound check...
I somehow have the feeling that the performance exhaust sounds different and "sharper" but I would even say the STD exhaust is louder on the C63 BT.
But the possibility to make is quiter with the flaps is a nice thing, especially on longer trips...
I am sure DPs will come out shortly by several tuners, been at RENNtech (Germany) yesterday, they have a prototype ready but their C63 was "in pieces" so I couldn't get a sound check...
Thread Starter
Senior Member
Joined: Dec 2013
Posts: 435
Likes: 4
From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
Just out of interest, do you have the performance exhaust or STD?
I somehow have the feeling that the performance exhaust sounds different and "sharper" but I would even say the STD exhaust is louder on the C63 BT.
But the possibility to make is quiter with the flaps is a nice thing, especially on longer trips...
I am sure DPs will come out shortly by several tuners, been at RENNtech (Germany) yesterday, they have a prototype ready but their C63 was "in pieces" so I couldn't get a sound check...
I somehow have the feeling that the performance exhaust sounds different and "sharper" but I would even say the STD exhaust is louder on the C63 BT.
But the possibility to make is quiter with the flaps is a nice thing, especially on longer trips...
I am sure DPs will come out shortly by several tuners, been at RENNtech (Germany) yesterday, they have a prototype ready but their C63 was "in pieces" so I couldn't get a sound check...
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2014 CLA 45AMG , 2015 C63 (W205)
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From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
I would LOVE to see Akrapovic drop a titanium system for this car. It would be significantly lighter AND Akrapovic always goes the extra step and changes the molded exhaust tips. If they made something similar to the SLS set up I will be all over that!
Thread Starter
Senior Member
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From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
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2016 C63S
Thread Starter
Senior Member
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From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
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From: Austin, TX
2017 Porsche 911 C4
Dropping the transmission does not sound fun... it's a good thing a simple ECU tune will be more than enough for most people!
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From: CT
03 Lexus IS300 (old faithful) / 91 3000GT VR-4 / 14 CLA45 AMG / 11 BMW X6M
Most likely going to cut them boyz out. IMO you spend 5k easy for a catback, I still have a feeling it won't change the sound that much because the cats are so restrictive. So for 5k you are not going to get much for your dollar
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From: Austin, TX
2017 Porsche 911 C4
Some dealerships/SA's might be cool with downpipes, but there is always a risk of voiding your warranty -- especially since it involves extensive work (i.e. dropping the transmission).
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2016 C63S
We will have to wait and see the difference on the dyno before and after with down pipes.
Down pipes with upgraded turbos and an ECU tune will get you more from your $$ but don't expect a lot more HP from just the downpipes by themselves. Noise a definite yes but you will be paying a pretty penny for it.
Down pipes with upgraded turbos and an ECU tune will get you more from your $$ but don't expect a lot more HP from just the downpipes by themselves. Noise a definite yes but you will be paying a pretty penny for it.
