wuts up, i usually post at the tl forum, but my friend just got a 2004 accord ex, i popped the hood and it appeared to be the tsx engine. He is looking to mod the engine and i tried looking for parts for his car(headers, pulley etc.,) came up short but found some mods for the tsx. My question is are tsx parts interchangable with his engine, and any suggestions on what kind of parts he should get and where can he get those parts...thanx

 

i believe the current gen accords share the same I4 as the TSX (K24A)
as for your question, i would guess so

 

his is a K24A4, all of the engine parts should fit the engine itself, but you need to check clearance in the engine bay ie: for an intake, or on the firewall for a header/exhaust