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Junior Member
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25 Posts
Discussion Starter · #1 ·
Hi all,

I have a mk5 r32 BUB fitted to my mk3 golf.

It's running emerald ECU with map, CDA induction kit, 6 branch downpipe, milltek decat and a milltek system (think its a vr6 57mm unit). Was just wondering if this was a bit restrictive and impacting bhp figures?

What is the general upgrade people usually go for on this engine?

Cheers
Neill
 

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Senior Member
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3,788 Posts
My catback is 3" on a NA car and tbh it's extremely loud, I wouldn't go any bigger than that.
 

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Cannot reMember
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16,142 Posts
Theres no one that I know of that runs bigger than 3'', Don't see it beneficial on NA cars especially
 
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