The cars engine is fairly noisy, its a 95 wrx, with very few modifications. There sounds to be a slight knocking noise which seems to be coming from the right had side of the manifold? Any ideas, the car is still performing exactly the same just wouldnt mind it stopping is all.
Cheers
Steve

 

Mate,

I suggest you get it checked.....I had a very slight knocking and took my car down to Roger Clarke......ended up being a big end...my car ran fine also...

Possible:

Pinking (should not do this due to the knock sensor...) what fuel do you use?
Big end
Little End
Heat Shield