132hp isnt terrible to start out with as a base on an economy car. Check out this website and see if anything there helps on your parts search. http://www.sentra.net/parts/

------------------
-Aaron
96 Red Camaro Z28 A4 TampaRacing.Com Sticker (16hp gain)
K&N FIPK SLP 1 3/4 headers 52mm TB flowmaster cat-back !cat 3.73 GM Motive gears MSD 6A MSD 8.5mm Wires HPP+ 160 Stat.
Best ET so far...13.1@105.5