Ideal exhaust size for B20B VTEC?
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Honda-Tech Member
Joined: Aug 2001
Posts: 4,096
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From: Bangkok, Thailand, Thailand
HI people..
Recently I had a JDM B20B with a B16A head swapped into my EK sedan to take over the responsibilities of the old D16Y8 turbo, and while everything is running great.. I still haven't setup the exhaust. While top-end is reasonably good, the low-end range (before 4200rpm) is rather sluggish..
I'm using the stock B20B header, which then connects to my old exhaust piping from my turbo (which is basically a 2.5" straight pipe with no cat to an HKS Hiper 2.5" muffler at the rear).
What do you people suggest? I'll be running the stock header for now until I gather up enough cash for maybe a JDM B18C-R header or some other second hand JDM header (FGK/Mugen/etc..) - There are no smog/exhaust laws where I live, so it can be as loud/smokey as i want it to be (not saying thats how i'd want it
) What exhaust systems are you B20B people running? Much help would be appreciated
Thanks!
Recently I had a JDM B20B with a B16A head swapped into my EK sedan to take over the responsibilities of the old D16Y8 turbo, and while everything is running great.. I still haven't setup the exhaust. While top-end is reasonably good, the low-end range (before 4200rpm) is rather sluggish..
I'm using the stock B20B header, which then connects to my old exhaust piping from my turbo (which is basically a 2.5" straight pipe with no cat to an HKS Hiper 2.5" muffler at the rear).
What do you people suggest? I'll be running the stock header for now until I gather up enough cash for maybe a JDM B18C-R header or some other second hand JDM header (FGK/Mugen/etc..) - There are no smog/exhaust laws where I live, so it can be as loud/smokey as i want it to be (not saying thats how i'd want it
) What exhaust systems are you B20B people running? Much help would be appreciated
Thanks!
hey man, a 2.5 would be fine, i had a 2.5 on my ITR swap, and it was fine... and the Hiper is a kick *** exhaust too, with that and the ITR header, yer CHILLINZ.........
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