Norman Dog

iTrader: (1)

Thinking of swapping my Prodrive backbox for one, what are they like sound wise?

Fancy something a bit more vocal and I love the Spec R sound, but it's maybe a little loud for everyday use.

gerryirl

ya have a magnex on mine at the minute. Have been looking into the same thing as you. I'd only need the spec s as the magnex has pipe back to backbox too. Never heard one in the flesh so its hard to know

MattyB1983

iTrader: (51)

They sound crap in my opinion, just far too loud. A lad in town has one on his classic and just looks a bellend driving around.

53

iTrader: (41)

Sold mine too loud. It is a nice exhaust but 113db at 5k revs means no tracktime with it on I've got a vid somewhere

Matt23

So how much difference is there in Db level between the spec S and the spec R?

53

iTrader: (41)

They're the same pipe The only difference between the two is the R has the accompanying mid pipe in 3" as well. The S is a 3" bore back box which connects at OEM 2.5" flange. The RX backbox is 2.5" I believe and quieter

Why not go for the new Vortex pipe. Looks pretty good from what I can remember

Norman Dog

iTrader: (1)

That's what I was wondering, the Spec S must be quite a bit quieter as it mates to the factory resonated centre pipe.

richie001

iTrader: (3)

Why not buy a Miltek ? Sounds great.

Matt23

I can't really see it being much quieter to be honest, maybe a few DBs.

mickywrx

iTrader: (29)

My R was 98Db at 3/4 throttle, noise tested at Elvington.

mickywrx

iTrader: (29)

Because the quality isn't that good and the price is extortionate to say the least?

Matt23

According to the blitz website the spec S is 97db but it doesn't say at what rpm.

SirFozzalot

Personally I think the NUR Spec S (with a sports CAT & standard centre section with resonator) is quite a bit quieter that the NUR Spec R (Full de-cat). Did a side by side comparison a few years back, both on 2003 STi's, and there was a noticeable difference in volume.

Don't be led by that to thinking that the NUR Spec S is by any means quiet but its quite a deep sound and so doesn't seem as loud as some other makes I've heard.

Best to get to a few meets where people have different setups and sample them for yourself. That's what I did and decided I wanted one. I've thought about changing it for something a little quieter a few times but can't seem to bring myself to getting rid of it because I love the sound it makes.

Depends how much you use the car and for what as well. If mine was a daily runner or a trackday machine then I think the Blitz would have to go, but it's a weekend toy/hobby so I can put up with the noise.

The Stitcher

iTrader: (12)

Nur spec Is to loud get an afterburner vortex

jabbroni

Milltek no just noise just better

mnem1c

iTrader: (4)

If you keep the cat on their not as loud as people make out.

Matt23

I'm swapping my ninja 2 for a Nur spec R in January and can't wait