Stock exhaust with M Performance diffuser

Lobo. · 11-28-2015, 06:41 PM

I installed a M Performance rear diffuser yesterday and I was wondering if I will need to buy new tips for the stock exhaust. The tips are not close to touching the diffuser but I don't want to run into any problems later.

ronanz · 11-28-2015, 07:36 PM

You'll be fine with stock tips. Diffuser was developed for the larger "M" performance tips. You'll just have a little space top to bottom - side to side.

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Lobo. · 11-28-2015, 08:14 PM

Ok, thanks. I knew the diffuser was made for the M Performance exhaust, which is why I was wondering if I would need tips that stick out further to match the length of the M Performance exhaust. I just wanted to make sure the diffuser wouldn't get too hot and melt. As you mentioned, there is now more room between the diffuser and the exhaust tips, so hopefully I should be good.

tboooe · 11-28-2015, 09:40 PM

I got larger 3.5" exhaust tips and adjusted my muffler so that the tips are less than 1/4" away from the diffuser. Never had an issue with heat. Also, I am pretty sure you can adjust the stock exhaust tips a bit too in order to bring time out further.

11-28-2015, 06:41 PM	#1
Lobo. New Member 2 Rep 9 Posts Drives: EBII 435i Join Date: Aug 2015 Location: Southwest iTrader: (0)	Stock exhaust with M Performance diffuser I installed a M Performance rear diffuser yesterday and I was wondering if I will need to buy new tips for the stock exhaust. The tips are not close to touching the diffuser but I don't want to run into any problems later.
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11-28-2015, 07:36 PM	#2
ronanz Gettin It Figured Out 1820 Rep 2,669 Posts Drives: 435i FBO PS2 bm3 w/ options Join Date: Jul 2014 Location: Southwest Region iTrader: (3)	You'll be fine with stock tips. Diffuser was developed for the larger "M" performance tips. You'll just have a little space top to bottom - side to side. . __________________ . My Build Thread can be found HERE
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11-28-2015, 08:14 PM	#3
Lobo. New Member 2 Rep 9 Posts Drives: EBII 435i Join Date: Aug 2015 Location: Southwest iTrader: (0)	Ok, thanks. I knew the diffuser was made for the M Performance exhaust, which is why I was wondering if I would need tips that stick out further to match the length of the M Performance exhaust. I just wanted to make sure the diffuser wouldn't get too hot and melt. As you mentioned, there is now more room between the diffuser and the exhaust tips, so hopefully I should be good.
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11-28-2015, 09:40 PM	#4
tboooe Brigadier General 925 Rep 3,089 Posts Drives: F36 428i GC, E36 M3 - gone :( Join Date: Dec 2014 Location: The OC! iTrader: (1)	I got larger 3.5" exhaust tips and adjusted my muffler so that the tips are less than 1/4" away from the diffuser. Never had an issue with heat. Also, I am pretty sure you can adjust the stock exhaust tips a bit too in order to bring time out further.
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