Exhaust back box

[adem.csl]

Ive got a miltek back box with a supersprint centre section.
Now i want to change the back box as i cant stand the noise of it.who has a back box that doesn't have such a strong rasp to it?
Supersprint centre section has quietened the rasp a bit but i didn't realise when i bought the back box that it was gonna sound like it.

[Mike RT4]

Ive got a miltek back box with a supersprint centre section.
Now i want to change the back box as i cant stand the noise of it.who has a back box that doesn't have such a strong rasp to it?
Supersprint centre section has quietened the rasp a bit but i didn't realise when i bought the back box that it was gonna sound like it.

The standard one rasps even more, but the Supersprint back box has a lovely deep bellow - but it is effing loud and drones below 3000rpm LOL.

[adem.csl]

The standard one rasps even more, but the Supersprint back box has a lovely deep bellow - but it is effing loud and drones below 3000rpm LOL.

I know mate i hate the rasp thats why ive swapped for miltek but i don't want a drone either i don't mind a deep note but i cant stand the noise of mine anymore

[Mike RT4]

I know mate i hate the rasp thats why ive swapped for miltek but i don't want a drone either i don't mind a deep note but i cant stand the noise of mine anymore

It's only an issue around town, on normal high speed driving it is not much louder than standard (providing you're above 3000rpm) and on a steady state throttle.

[adem.csl]

I will have a listen to yours next time your about if thats ok?

[Mike RT4]

I will have a listen to yours next time your about if thats ok?

No probs .

[billyboysm3]

Best set up I've found is ss cats, ss non res centre section and oem back box.

[glendog74]

Full Supersprint + OEM cats = much less drone than Miltek :-D

[adem.csl]

Best set up I've found is ss cats, ss non res centre section and oem back box.

My back box has had the fixing brackets cut off and sleeves fitted so i cant try it cos im not cutting my centre section.
It still has the rasp though.i don't want that

[adem.csl]

Full Supersprint + OEM cats = much less drone than Miltek :-D

Whats the rasp like rob and does it pass db test on track
My shit box only just makes it IF you come straight off the motorway straight to testing don't let it cool down you have no chance

[glendog74]

Whats the rasp like rob and does it pass db test on track
My shit box only just makes it IF you come straight off the motorway straight to testing don't let it cool down you have no chance

It does have some rasp as I have the SS un-resonated centre section - which I like personally. If you fit the resonated centre it practically eliminates rasp (AlexGTT has such a setup).

By far the biggest culprit of exhaust drone is the fitting of aftermarket 100 cell cats as I have experienced this firsthand.

My car is generally 100dB at track days and passes straight away so long as it is hot as you say. :thumbs:

[Pip1968]

Ive got a miltek back box with a supersprint centre section.
Now i want to change the back box as i cant stand the noise of it.who has a back box that doesn't have such a strong rasp to it?
Supersprint centre section has quietened the rasp a bit but i didn't realise when i bought the back box that it was gonna sound like it.

Go back to OEM :whistle: (quiet whistle :-D )

Pip

[Mike RT4]

I forgot to mention that my set up is a little bit loud at 106dB, so not suitable for anything other than the likes of Snetterton or Silverstone . I have to fit the standard back-box back on if I want to go on any other track .

However, it DOES sound the bollocks - skip to 51s and crank up the speakers .

http://www.youtube.com/watch?v=V-x_Plc3U5E&feature=youtube_gdata_player

[adem.csl]

It does have some rasp as I have the SS un-resonated centre section - which I like personally. If you fit the resonated centre it practically eliminates rasp (AlexGTT has such a setup).

By far the biggest culprit of exhaust drone is the fitting of aftermarket 100 cell cats as I have experienced this firsthand.

My car is generally 100dB at track days and passes straight away so long as it is hot as you say. :thumbs:

Thanx rob my ss centre is non res standard cats.m thinking go race or street not lw race cos i want it to pass db testing

[shimmy]

Thanx rob my ss centre is non res standard cats.m thinking go race or street not lw race cos i want it to pass db testing

Adem

I have SS lwt race, res centre section and 100 cell cats and have never failed a static test or drive by test (except Zolder where I went past all the meters in 3rd )


I personally think the best set up is SS lwt race, OeM centre, and 100 cell cats (for the extra 5bhp)