118D Exhaust

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jonners
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118D Exhaust

Post by jonners » Wed Jan 10, 2018 9:57 pm

Hi

Last year I had the standard Back Box on the Exhaust system on my 118D replaced, for a replacement by Ulter (it is a straight through Back Box whatever that means). However recently it's been playing on my mind, should I have the middle silencer removed? Will this affect the Engine behaviour in any manner? How much louder will the Car be? Plus will I need my existing remap adjusting?

At no point do I plan on removing the CAT/DPF as it just appears too risky under all the legislations.

Thanks.
2011 E82 118D Sport Coupe - Black with Orange Seats

jonners
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Experienced Member
Posts: 260
Joined: Sat Jan 23, 2016 8:44 pm

Re: 118D Exhaust

Post by jonners » Fri Jan 12, 2018 9:15 pm

Anyone? :)

Cheers.
2011 E82 118D Sport Coupe - Black with Orange Seats

jonners
Experienced Member
Experienced Member
Posts: 260
Joined: Sat Jan 23, 2016 8:44 pm

Re: 118D Exhaust

Post by jonners » Sat Jan 20, 2018 11:41 am

I've had the mid box removed for a straight pipe, along with my Ulter straight through back box, there is absolutely no change to the sound whatsoever. It sounds exactly the same as it did by having a Ulter back box and mid silencer in place.

Maybe I am trying to justify the £50 spent, but there feels to be a slight improvement in throttle response and pickup in acceleration...

Meh I just dunno....
2011 E82 118D Sport Coupe - Black with Orange Seats

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