I have a stock gnx cat back ext from gm new never installed what is it worth?

[aketech]

when my dad bought a gnx used from a guy it came with a cat back new in box two mufflers two tail pipes that clear the rear link set up,
He sold the gnx but we kept the pipes they were still raped in packing mat you can tell they have never been instaled can you help me figure out what price to sell them for
thanks Joe

 

[Westside500]

when my dad bought a gnx used from a guy it came with a cat back new in box two mufflers two tail pipes that clear the rear link set up,
He sold the gnx but we kept the pipes they were still raped in packing mat you can tell they have never been instaled can you help me figure out what price to sell them for
thanks Joe

Well since the Gnx is the "greatest ever" ebay should bring aleast $1000 plus for it....

 

[Project TNX]

I'd like to say I saw one on Ebay a few years ago going for $1,500.00, it was that or $1,200, but I'm pretty sure it was $1,500.00

 

[aketech]

pipes

thank you
The guy we bought the car from said it cost 750 new back then