Congratulations to vtecmec for winning May/June's Lude Of The Month, with his DIY Turbo BB1 build.

>>> Click Here For Profile <<<

Image

Manifold

No, not in the key of C. An H is likely involved though ...
Madhatter81
Posts: 78
Joined: Fri Dec 21, 2012 11:57 pm
My Generation: 5G

Manifold

Post by Madhatter81 » Sat Mar 02, 2013 8:58 am

Morning guys!!!
I'm going to have a full custom exhaust put on my lude but I would be grateful If anybody can advise me on the best size pipe to use on the manifold before it gets made

User avatar
mercutio
LotM Winner
Posts: 14958
Joined: Sun Aug 08, 2010 8:45 pm
My Generation: 5G
Location: Sunny Manchester
Has thanked: 1 time
Been thanked: 3 times
Contact:

Post by mercutio » Sat Mar 02, 2013 11:13 am

who is making it?
bristol_bb4 wrote:ahhh a 5th gen, i love 5th gens :D :lol:
Dino wrote:I loves the 5th gen really.... just dont quote me on it... ;)
4thgenphil wrote:Mines 4 1/4 unches mate, sorry

http://www.ludegeneration.co.uk/profile ... -t618.html

Madhatter81
Posts: 78
Joined: Fri Dec 21, 2012 11:57 pm
My Generation: 5G

Post by Madhatter81 » Sat Mar 02, 2013 12:03 pm

Hi it's an engineering company in Leeds I know well
Just need to know what size pipe to buy

User avatar
vanzep
Supporter 2016
Posts: 6960
Joined: Sun Jan 29, 2012 6:38 pm
My Generation: 4G
Location: Edinburgh
Has thanked: 251 times
Been thanked: 392 times

Post by vanzep » Sat Mar 02, 2013 1:18 pm

you cant go wrong with 2.5" for custom exhaust or 3" if you plan on going turbo ;)
1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD

2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC

User avatar
mercutio
LotM Winner
Posts: 14958
Joined: Sun Aug 08, 2010 8:45 pm
My Generation: 5G
Location: Sunny Manchester
Has thanked: 1 time
Been thanked: 3 times
Contact:

Post by mercutio » Sat Mar 02, 2013 1:31 pm

depends on what part of the manifold your talking about primaries or secondaries?
bristol_bb4 wrote:ahhh a 5th gen, i love 5th gens :D :lol:
Dino wrote:I loves the 5th gen really.... just dont quote me on it... ;)
4thgenphil wrote:Mines 4 1/4 unches mate, sorry

http://www.ludegeneration.co.uk/profile ... -t618.html

User avatar
RattyMcClelland
Moderator
Posts: 9191
Joined: Wed Aug 04, 2010 10:02 pm
My Generation: 5G
PSN GamerTag: RattyMcClelland
Location: Leicestershire
Been thanked: 181 times

Post by RattyMcClelland » Sat Mar 02, 2013 5:50 pm

3" offers best hp on na or turbo. 2.5" is a good compromise for torque and hp and noise.
Image

Madhatter81
Posts: 78
Joined: Fri Dec 21, 2012 11:57 pm
My Generation: 5G

Post by Madhatter81 » Sun Mar 03, 2013 10:49 am

In talking about the primary
I'll measure the exhaust ports and go from there

User avatar
vanzep
Supporter 2016
Posts: 6960
Joined: Sun Jan 29, 2012 6:38 pm
My Generation: 4G
Location: Edinburgh
Has thanked: 251 times
Been thanked: 392 times

Post by vanzep » Sun Mar 03, 2013 12:13 pm

ive got my hytech replica header here if you want any dimensions from that
1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD

2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC

User avatar
mercutio
LotM Winner
Posts: 14958
Joined: Sun Aug 08, 2010 8:45 pm
My Generation: 5G
Location: Sunny Manchester
Has thanked: 1 time
Been thanked: 3 times
Contact:

Post by mercutio » Sun Mar 03, 2013 1:10 pm

normally 1.75" or 2" if i remember right matey
bristol_bb4 wrote:ahhh a 5th gen, i love 5th gens :D :lol:
Dino wrote:I loves the 5th gen really.... just dont quote me on it... ;)
4thgenphil wrote:Mines 4 1/4 unches mate, sorry

http://www.ludegeneration.co.uk/profile ... -t618.html

User avatar
bristol_bb4
LotM Winner
Posts: 3369
Joined: Mon Oct 10, 2011 2:19 pm
My Generation: 4G

Post by bristol_bb4 » Sun Mar 03, 2013 3:01 pm

fujitsubo specs -

Primary runner inner diameter - 44mm (~1.73") at head flange
Primary to Secondary merge inner diameter - 48mm (~1.89")

Secondary runner inner diameter - 48mm (~1.89")
Secondary to Collector merge inner diameter - 60mm (~2.36")
Image

Post Reply

Return to “Tuning”