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Old 06-30-2007, 07:36 AM   #1
MKXIII
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Join Date: Oct 2006
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Vehicle:
2007 WRX STI Limited
Urban Steel Gray Metallic

Default Vf39 vs. Vf43 aps turboback divider

well, im installing a APS turbo-back exhaust on my 07' sti and the aps instructions tell you to trim the belmouth divder either 7mm for a td04 or 5mm for a vf39....well my 07 sti has a vf43......how much do i trim it?? i know that the vf43 has a bigger wastegate, but is the hotside actualy different size wise...if anyone knows the spec comparison or how much to trim please chime in and help!
MK
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Old 06-30-2007, 06:48 PM   #2
2007scooby
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i thought the vf43 is a vf39, but with a different spec/size wastegate?
the housings and everything should be the same if not identical.

hope this helps.
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Old 07-01-2007, 02:37 PM   #3
WRX4ME LE 482
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Ive asked many times and have yet to find anybody who knows exactly what the differences are between the 39 and 43. We all know the wastegate is bigger, but is that absolutely all that's different? Nobody knows...
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Old 07-01-2007, 11:06 PM   #4
MKXIII
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i ended up cutting the turbobacks divider the same as if it were a 39....i cut it 5mm....fit perfectly
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