FS: Single Turbo Header system for 1st Gen LS400, T4
12-01-05 | 09:03 AM
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FS: Single Turbo Header system for 1st Gen LS400, T4
PRICE - $400 Shipped, a total steal 
Iv got here a single turbo header system that I was going to use on my own car before it was totaled. These headers are made from mild steel and were designed for use in a 1st gen LS400. This was the second header set David Phan made after he made the system that is currently in his LS400.
The flanges of the header were laser cut and are 3/8” thick. The primary tubes off that are 1.5” and they lead into a 3” collector tube. That intern leads to a T4 Turbo flange and there is also a 1.5 inch tube for the waste gate. There is no waste gate flange welded to these pipes, you will need to have yours welded on. The cross over pipe is 2.25” in the center section and the ends are 3”. At each end there are laser cut flanges that bolt up just like the stock catalytic converters.
How this system works
You first have the driver side replacement exhaust manifold. This replaces your old manifold completely. Then to keep things simple, you have a cross over pipe that simply bolts to the end of the OEM passenger side manifold. Here are a few pix of David’s setup to better show how all this goes together………
Cross over pipe under car
Driver side leading to turbo
V----------------Pictures of the header system that is being sold----------------V
O2 sensor bung is welded in and ready to go
T4 flange and WG tube
After they are coated they will look like this..........
Note the header im selling is a slightly different style then the one on lextreme's car
These pipes have been bead blasted to give them a clean finish. The pipes need to be ported and coated in a high-temp coating to keep heat at bay. There is also only some minor detail grinding that could be done if you so wish. Any exhaust shop could do this while welding on the WG flange or porting the pipes. This is a great opportunity to get some serious performance out of your 1UZFE for a manageable price. You will still need to put together the rest of the system but these headers are the key to the whole single turbo setup. Price stands currently at $400. Please post or PM me if you are seriously interested or want to make and offer. Thanks!
Iv got here a single turbo header system that I was going to use on my own car before it was totaled. These headers are made from mild steel and were designed for use in a 1st gen LS400. This was the second header set David Phan made after he made the system that is currently in his LS400.
The flanges of the header were laser cut and are 3/8” thick. The primary tubes off that are 1.5” and they lead into a 3” collector tube. That intern leads to a T4 Turbo flange and there is also a 1.5 inch tube for the waste gate. There is no waste gate flange welded to these pipes, you will need to have yours welded on. The cross over pipe is 2.25” in the center section and the ends are 3”. At each end there are laser cut flanges that bolt up just like the stock catalytic converters.
How this system works
You first have the driver side replacement exhaust manifold. This replaces your old manifold completely. Then to keep things simple, you have a cross over pipe that simply bolts to the end of the OEM passenger side manifold. Here are a few pix of David’s setup to better show how all this goes together………
Cross over pipe under car
Driver side leading to turbo
V----------------Pictures of the header system that is being sold----------------V
O2 sensor bung is welded in and ready to go
T4 flange and WG tube
After they are coated they will look like this..........
Note the header im selling is a slightly different style then the one on lextreme's car
These pipes have been bead blasted to give them a clean finish. The pipes need to be ported and coated in a high-temp coating to keep heat at bay. There is also only some minor detail grinding that could be done if you so wish. Any exhaust shop could do this while welding on the WG flange or porting the pipes. This is a great opportunity to get some serious performance out of your 1UZFE for a manageable price. You will still need to put together the rest of the system but these headers are the key to the whole single turbo setup. Price stands currently at $400. Please post or PM me if you are seriously interested or want to make and offer. Thanks!
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