I stand by the Zex kit as one of the best on the market.
(I've had the universal #82011 kit for over 2 years.)
With a proper nitrous tune you'll be very happy (and safe).

You should read the book "Sport Compact Nitrous Injection". Its filled with sll sorts of good info. The key to n20 is being educated.

Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST Pre98 Zetec - Some Mods