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Discussion Starter · #1 ·
Hi I’ve got my bmw 120d 2006 and I’m wanting to do a blackbox delete but I’ve got a couple questions. Will it cause any turbo back pressure issues?
Is it worth doing for a bit more of a grumble? I’m not looking for any performance increase just a nicer sounding exhaust
 

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What do you mean by just louder. ?
What do you mean by just louder. ?
just more agricultural and tractor sounding and boomier but nothing thats worth it to be honest. for a good sound, decat and get rid of all the mufflers -mid and backbox. Replace the midbox with a good resonator. Not sure its legal tho
 

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Discussion Starter · #5 ·
just more agricultural and tractor sounding and boomier but nothing thats worth it to be honest. for a good sound, decat and get rid of all the mufflers -mid and backbox. Replace the midbox with a good resonator. Not sure its legal tho
So what would be your best advice if I’m trying to stay on the legal side of things. Apart from don’t do it of course 😂
 
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