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BMW 3-Series (E90 E92) Forum
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Extreme Power House | New Product VRSF STAINLESS STEEL MUFFLER DELETE
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10-08-2018, 02:09 PM | #1 |
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Extreme Power House | New Product VRSF STAINLESS STEEL MUFFLER DELETE
VRSF Stainless Steel Muffler Delete For your 2007 - 2013 BMW 335i, 335xi and 335is with the N54 & N55 Engine We are proud to introduce our VRSF Stainless Steel Race Muffler Delete for the E90/E91/E92/E93 BMW 335i/xi/is. This muffler delete is one of the most cost effective exhaust modifications available for your N54 & N55! By eliminating the incredibly restrictive OEM muffler, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. This product was designed and engineered for to fit on both the N54 & N54 version of the 335i and 335is in both RWD & AWD configurations. The difference in both power and sound are be noticeable the moment it is installed! Please note that cutting of the factory exhaust is required and that we include everything necessary for installation including installation hardware. These are available in multiple 90mm slip on muffler tip configurations displayed below. Please note that these tips do not require install hardware. Features:
This item fits the following BMWs:
Note: Fits both Left Hand Drive & Right Hand Drive Models
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10-09-2018, 08:16 AM | #2 |
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Got any data to back that up? Before and after Dyno runs? Didn't Payam make 800+ through the stock exhaust?
Also can you define 'improved exhaust note'. This has to drone like crazy and be pretty raspy. Do you have any videos of it? Not trying to be negative but I'm just skeptical that it's going to do anything productive beyond weight reduction. |
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10-09-2018, 11:16 AM | #3 | |
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As for the first part, we do not have any data because we did not make these claims. The description was copied from VRSF's website directly.
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10-10-2018, 02:26 AM | #6 |
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We've seen gains of up to 25whp @ 700whp when switching from the OEM exhaust to our 3.5" catback. This also shaves over 20lbs of weight
Last edited by Tiago@VRSF; 10-10-2018 at 10:19 AM.. |
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10-10-2018, 09:20 AM | #7 |
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10-10-2018, 12:06 PM | #9 |
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Are you guys planning on posting a video of the sound? Would especially be interested in how it sounds with a VRSF catless DP installed already
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10-10-2018, 12:37 PM | #10 |
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That's what I figured. I would say any performance gain claims aren't really valid unless you have the dyno data to back it up. Although cat-back is the same N54/N55, single turbo/dp vs twin is drastically different on how the exhaust actually goes into the cat-back section. For all we know a catless dp on N55 could still be more restrictive than the stock exhaust, resulting in no gains from this.
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10-10-2018, 01:23 PM | #11 |
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The gains aren't necessarily the muffler delete, yes they're a restriction but it's from the 3.5-inch piping which allows the turbos to breathe much more at higher boost. A few n55 guys have upgraded to a 3.5in turbo back and seen gains from that. Newguy123 as an example with PS2.
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10-10-2018, 01:36 PM | #12 | |
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10-10-2018, 02:03 PM | #14 |
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10-11-2018, 07:43 AM | #16 |
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10-11-2018, 09:03 AM | #17 |
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