Not sure on the prices on the website, bought mine used. Im running 16v mate. (75bhp), but maybe a little more with mods and loose engine.
They are loud, but not stupid loud mate, they sound really nice. Not very loud when idling either.
Here are my mods:
Piper X Induction Kit With K-TEC Relocation Kit
K-TEC Racing Cat Back Zorst Twin
17" OZ Super Turismos GT wrapped in TOYO Proxies
Dropped -60mm On PI Springs
PAGID Pads With Brembo MAX Discs
SilverVision Bulbs All Round
Some Ice
Clio Sport Sticker (+15 BHP)
TOAD A606
172 Interior Door Handles
Fully colour coded
182 Cup Spoiler
Side Skirts