muffler, piping, and installation from noyzboyz was only about $400.
It's a ypipe from the manifold to a straight single pipe all the way to the back and into the muffler. Resonators were removed.
I'm using a magnaflow muffler, similar to your ractive one
'94 Supercharged E36 325is (150,000 original km's)
-Vortech V9 G-Trim @ ~10psi w/ BOV
-255LPH Walbro fuel pump
-TEIN SS Coilovers w/ Pillowball mounts
-Keskin KT1 17x8.5 & 17x10
-Remus full catback
-Authentic Rieger Infinity I body kit
-SMT6 EMS (Untuned)