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Drivetrain AliExpress 4-2-1 headers - experience?

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Old Oct 13, 2025 | 11:13 AM
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junits15
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AliExpress 4-2-1 headers - experience?

Hi All,

I stumbled across this very interesting looking header for sale on AliExpress: 4-2-1 header w/200 cel cat. Very interesting design, 4-2-1 long tube design, it has what appears to be two decent segments of flex pipe, and includes a 200 cel cat. I'm currently using a very cheap $100 ebay header and I know it wont last forever. Has anyone used this part I linked? I'm curious if anyone has any actual experience with it and how it was in terms of fitment and quality. It is an AliExpress item so I'm not expecting a miracle, but I also don't immediately write things off just because of where they're sold

My car is emission exempt and on a standalone so the cat isn't a consideration for me, I'm currently catless and would like to add a cheap "race cat" like this to keep the smell down and keep the tailgate cleaner. This part looks like it may be a decent upgrade from what I'm currently using, would add a cat, and may improve the sound a little bit.



Thoughts?

Thanks!
 
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Old Oct 13, 2025 | 12:51 PM
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I've since learned from some reading that this is a copy of a header that used to be sold by Saclam. I guess that part had some good gains from what people are saying. If this is built well enough it would be a decent part. Its $500 for US import because theres a 100% tarrif on it, for friends elsewhere its only $250 :( That really messes up the value proposition, but if its good it may potentially still be worth it, just tough knowing it would have been half the cost 8 months ago...
 
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Old Oct 16, 2025 | 09:16 PM
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From: Mount Doom, Mordor
Originally Posted by junits15
I've since learned from some reading that this is a copy of a header that used to be sold by Saclam. I guess that part had some good gains from what people are saying. If this is built well enough it would be a decent part. Its $500 for US import because theres a 100% tarrif on it, for friends elsewhere its only $250 :( That really messes up the value proposition, but if its good it may potentially still be worth it, just tough knowing it would have been half the cost 8 months ago...
So glad I got the Scorpion 4-2-1 before all of this tariff stuff went into effect. I like the 4-2-1 much better than the $100 used 4-1 I had previously. It puts the gains at mid and lower RPMs a bit more, which is fun to drive on the road....
 
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