Exhaust Manifold

Clippers_FTW · 01-03-2025, 08:23 AM

Does anyone know which aftermarket Headers/exhaust manifold would work with the SOHO Stage 2.5 turbo kit? Or is my only option custom? also how much of a restriction is the stock exhaust manifold?

Spooler · 01-03-2025, 09:12 AM

Call them up. I have no idea. They need to be upgraded for 800whp or above. Somewhere around there.

Elmo370z · 01-16-2025, 07:21 PM

Don’t need so when you can get these. This is what alpha Z runs on his car. Schedule 10 metal. Worth the money. Alpha Z34 runs this. Don’t get ripped off by SoHo’s junk

NorthStyle · 01-21-2025, 09:52 AM

The "new" Z1 headers with HR/VHR flanges should fit if it mates to the OEM manifolds.

Clippers_FTW · 01-24-2025, 06:33 AM

Quote:

Originally Posted by Elmo370z

Don’t need so when you can get these. This is what alpha Z runs on his car. Schedule 10 metal. Worth the money. Alpha Z34 runs this. Don’t get ripped off by SoHo’s junk

Looks expensive! lol

Clippers_FTW · 01-24-2025, 06:33 AM

Quote:

Originally Posted by NorthStyle

The "new" Z1 headers with HR/VHR flanges should fit if it mates to the OEM manifolds.

I'm going to go check them out. thank you.

Elmo370z · 01-27-2025, 12:44 AM

Quote:

Originally Posted by Clippers_FTW

Looks expensive! lol

No more then what soho is selling there’s for. And not much more expensive then the over price z1 shorties. You’re going to spend anyway

NorthStyle · 01-28-2025, 01:40 AM

Quote:

Originally Posted by Elmo370z

No more then what soho is selling there’s for. And not much more expensive then the over price z1 shorties. You’re going to spend anyway

Still trying to wrap my head around how they've raised the price ~$700 in a few years

Elmo370z · 01-31-2025, 06:10 PM

Because they aren’t z1 anymore

Clippers_FTW · 02-07-2025, 07:39 AM

I called Nik @ Soho... i guess they have a new exhaust manifold that they are selling now that isnt on their website.. its going for 2k. that seems like a lot to me.. I know im pinching pennies... but im already 40k in the hole on the build.. i'd like to save money where i can if possible. Elmo 370z those look really really nice.. and if they match to where the stock ones end they may be worth considering.. especially if they're cheaper than soho. What exactly am i looking for when upgrading the exhaust manifold? there are soo many options for cheaper... are the metals trash or what? Do the shorties give you more room in the engine bay? my passenger side is stuffed full of uppipes and downpipes lol.

Clippers_FTW · 02-07-2025, 07:40 AM

Quote:

Originally Posted by Elmo370z

Don’t need so when you can get these. This is what alpha Z runs on his car. Schedule 10 metal. Worth the money. Alpha Z34 runs this. Don’t get ripped off by SoHo’s junk

Where were they purchased from so i can look them up?

NorthStyle · 02-09-2025, 04:33 AM

Quote:

Originally Posted by Elmo370z

Because they aren’t z1 anymore

What do you mean? I know the DE-flanged headers were never really Z1's design from the start since they were based on the Momentum headers

Elmo370z · 02-17-2025, 01:06 PM

Quote:

Originally Posted by Clippers_FTW

Where were they purchased from so i can look them up?

Contact switchback racing. They built them.

Elmo370z · 02-17-2025, 01:08 PM

Quote:

Originally Posted by Clippers_FTW

Where were they purchased from so i can look them up?

Price will be around the same, the metal switchback uses is a schedule 10 SS. Won’t ever have to worry about cracking

01-03-2025, 08:23 AM	#1 (permalink)
Clippers_FTW Base Member Join Date: Apr 2021 Location: SoCal Posts: 21 Drives: 2008 Infiniti G37s Rep Power: 4	Exhaust Manifold Does anyone know which aftermarket Headers/exhaust manifold would work with the SOHO Stage 2.5 turbo kit? Or is my only option custom? also how much of a restriction is the stock exhaust manifold?

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01-03-2025, 09:12 AM	#2 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,913 Drives: 2013 Nismo 370z Rep Power: 2684392	Call them up. I have no idea. They need to be upgraded for 800whp or above. Somewhere around there.

01-21-2025, 09:52 AM	#4 (permalink)
NorthStyle A True Z Fanatic Join Date: Aug 2015 Location: Deutschland + SC/FL USA Posts: 1,275 Drives: 2011 370Z Nismo Rep Power: 24277	The "new" Z1 headers with HR/VHR flanges should fit if it mates to the OEM manifolds.

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02-07-2025, 07:39 AM	#10 (permalink)
Clippers_FTW Base Member Join Date: Apr 2021 Location: SoCal Posts: 21 Drives: 2008 Infiniti G37s Rep Power: 4	I called Nik @ Soho... i guess they have a new exhaust manifold that they are selling now that isnt on their website.. its going for 2k. that seems like a lot to me.. I know im pinching pennies... but im already 40k in the hole on the build.. i'd like to save money where i can if possible. Elmo 370z those look really really nice.. and if they match to where the stock ones end they may be worth considering.. especially if they're cheaper than soho. What exactly am i looking for when upgrading the exhaust manifold? there are soo many options for cheaper... are the metals trash or what? Do the shorties give you more room in the engine bay? my passenger side is stuffed full of uppipes and downpipes lol.