09-10-2018, 02:20 PM | #1 |
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Upper & Lower Downpipes Question
Looking at buying an F90 and modifying it. I usually prefer to use stock downpipes and gut them for fitment.
For those that have aftermarket upper and lower downpipes. Are the stock ones able to be gutted on the F90 like many did on the F10? Just not sure how accessible the primary and secondary cats are? |
09-19-2018, 11:45 PM | #2 | |
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I'm sure plenty others are on the way being that tuning is successful from various tuners |
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10-29-2018, 12:47 AM | #3 |
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10-29-2018, 12:53 AM | #4 |
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We make both, 3D scanned for 100% direct fitment, utilizing all factory bracket placement. Life time warranty with world record 1/4 mile check out our instagram page @kellerperformance
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F01Boost70.00 Lalit@autocouture373.50 |
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