2017 LX570 + DT Long Tube Headers

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Joined
Mar 26, 2011
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13
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Location
Raleigh, NC
Hey Gang - finally back in a 200 after 4 years in a GX460...and my wife is already complaining that the 2017 LX we picked up is too slow (it does feel a bit lethargic compared to our old 2014 LC w/ the 6 speed), so I ordered a set of DT long tube headers from URD. I was then poking around the DT site and noticed the LX headers have the air injection ports removed, while the LC long tubes appear to have them still intact; any LX owners here with long tubes installed? If so, did you stick with the LX tubes and get a SAIC disable kit from Hewitt-Tech Secondary Air Pump Valve Bypass Kits - https://hewitt-tech.com? Or can/should I just get a set of the LC long tubes and install them (this would be my preference - and I assume the fit is identical to the LX)?

For those wondering about mid-pipes, I did order a set of the LC mid-pipes that go with the LC long tubes directly from DT (they did show out of stock, however); if they're not identical in fitment to the LX, I'll do some surgery with the MIG to make it work.
 
URD's quick shipping as usual, no air injection on the LX headers:

20210707_101534.jpg


Since I have more money than sense, I'm going to buy a set of LC headers too and then decide which ones to install in the LX.
 
Fancy. Maybe if you decide to not use the LX headers, someone here who has already done the bypass would take them off your hands. You'll probably need to post some sweet youtube videos showing off your new exhaust to get some members excited.
 
Fancy. Maybe if you decide to not use the LX headers, someone here who has already done the bypass would take them off your hands. You'll probably need to post some sweet youtube videos showing off your new exhaust to get some members excited.
Coincidentally, my brother has an AWD dyno up in PA, so I can actually guarantee dyno numbers...here's a video I did with a URD Y-pipe on the GX:
 
Hi guys sorry for reviving a dead thread but u could help but wonder how those long tube headers went on your 17LX
I have a 17GX currently and am shopping around for an 18 to 21 LX to trade into.

Thanks !!
 
Hi guys sorry for reviving a dead thread but u could help but wonder how those long tube headers went on your 17LX
I have a 17GX currently and am shopping around for an 18 to 21 LX to trade into.

Thanks !!
I found his thread on club lexus and I guess he was getting CAT codes as the b-pipes he bought fit terribly and had to be customized. Sounds like he ended up putting the stock setup back in.

But my goodness, the stock manifolds looks horrible.
 

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