anak_liar, to fabricate your own downpipe (I'm assuming you are talking about exhaust headers), you need welding equipment, tubing benders and some other misc stuff. Unless you want to experiment with different downpipe configurations, it's wiser to get a premade one to save on all the hassle.
Urgent question here.I know TD04 09 definately can fit rhf4 exhaust housing
But TD04L from subaru wrx into RHF4 housing is it possible?
Mechanic told me it is possible by lathe the exhaust housing.
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