sorry to bump an old post - but I wanted to add that thorley headers are wonderful. I just came over to the XD world, but have had jeeps for years. the DT headers on my 5.9L for instance are one of the very few available that scavenge well and don't kill torque (not that the 5.9L is in short supply of it lol)
Its good to see DT makes something for the import crowd now - there's more to headers than just a manifold and some pipe that fits around the block - but too many import tuner companies don't know that, and you get horrible sounding rice-rockets as a result.
oh, and hi! i'm new here lol.
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