Pricing looks fair to me! Even the eBay Mars kits are the same ballpark amounts:
http://www.ebay.com.au/itm/M-Tech-Fr...ht_5239wt_1163
I think $1500 for a full replica m-sport kit with guaranteed OEM fitment is well worth it!!
In the nissan world, a replica nismo front bar will cost you $600+ and that's for fibreglass!!!