standard exhausts for a decent crank?

[paulrd69]

Hi all..im rebuilding my 4LO and the crank is shot to bits,it will need a rebuild and pin weld as it runs a stage 3 tune...but have found my old standard pipes and wondered if anyone was interested in doing a part exchange maybe with a few quid on top? 

[Norbo]

are they 350 pipes or 250 pipes and are they dented . don't care about the paint but I am looking for a dent free set

[dazzard]

I have 5 sets, will put some up for sale when I hit 25 posts