Yeah will it make a difference have you done it to yours? Have u any pics
On a 1.2 you'll hardly notice any power gains by adding backbox and an air filter, if you do it'll be minimal to say the least. You don't need to spend more than £150, you don't have to spend anywhere near that. EBAY is your friend. My clio scorpion twin exhaust cost me £30 off eBay and induction kit was £60. Both easily fitted yourself. If you come to this meet on Friday down Kent you'll see my set up, the noise is more than nice
Stay away from universal backbox's - get one that's specific for your model. That way you don't have to weld extra pipes and hangers on the backbox etc
makes your life easier
as I said. You'll hardly notice any form of power gains on a 1.2. Just a nice noise. Sounds fast but in reality it's still a 75bhp 1.2 clio! Ha