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BMW 3-Series (E90 E92) Forum
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Power Expectations from tune and down pipe
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| 07-09-2017, 06:01 PM | #1 |
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Power Expectations from tune and down pipe
I was told the best bang for the buck on a 335 is a tune and downpipe. How much horsepower should I expect? I have a cob dual cone intake and cat back exhaust.
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| 07-09-2017, 10:05 PM | #2 |
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| 07-09-2017, 10:24 PM | #3 |
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Nice I'm hoping for at 100 rwhp is that too muxh
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| 07-09-2017, 11:39 PM | #4 |
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First Lieutenant
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With catless downpipes and a good intercooler, you can use MHD and put down about 340 to 350whp on 93 octane gas. An aftermarket charge pipe is a must, because your stock CP will burst as soon as you apply more boost through it.
Inlets will allow you to more safely push the turbos harder and get you to about 360whp I have VRSF's DP, CP and they have perfect fitment. VRSF's 7inch HD intercooler is priced competitively and is highly recommended by many people here. You'll just need to cut some plastic shrouding. There are many DPs in the market. They are literally just pieces of steel piping welded together. However, many pipes fit poorly and cause serious problems. Search on this forum for ones that have perfect fitment. There are also horror stories. CPs are the same. |
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| 07-10-2017, 06:42 AM | #5 | |
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For an '07, this could be a Pandora's box.
A tune will stress the: 1. Turbo: wastegate & seals 2. Plugs 3. Coils 4. Injectors 5. The list continues ... I would recommend having some cash reserves for the aforementioned items, before going forward.
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