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Premium Member
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91 Posts
Discussion Starter #1
Hellol guys. I installed j37 78/70 tb on my fn2. But oem intake pipe its to small. It's somebody now, fits fd2 oem pipe? And another question, what its diameter of fd2 intake pipe?
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A wizard is never late...
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793 Posts
have you had any issues with the j37 yet? most people ive seen fit them report bad idle and whistling under acceleration.

you can use heat to stretch the oem intake pipe but it may split after a while, you could be best getting a silicon pipe or even better a hard pipe made up to suit your needs.
 

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Premium Member
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91 Posts
Discussion Starter #3 (Edited)
No problem, when i do a recalibration of tb ( because idle jumping), now its ok.
On flashpro i see now better air flow, 0.99 bar. But over 6500 rpm its 0.96 bar.
Because that, a want bigger diameter intake pipe from airbox to tb.
I have Mugen replica intake, from fog intake to airbox
 

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250bhp.... finally :)
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4,279 Posts
Do you RSP or RRC manifold mate?
 

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250bhp.... finally :)
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4,279 Posts
Only fits RRC
 

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5 Posts
Intake pipe

Hi everyone
been following for a while some great advice on here.
I`ve installed the RRC with the FD2 TB and same as everone else having issues with the standard pipe splitting.
has anyone got a custom pipe ?
Thanks
 
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