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+--- Thread: Back box ideas, thought. (/showthread.php?tid=30164)
Back box ideas, thought. - bashbarnard - 21-04-2015
So I've now got a straight through on my motor and to be honest its far to loud for me. I need a quietish exhaust. That flows well and can be hidden. I don't want it sitting under the bumper. The idea of the 2.1 was to be fairly stealthy.
RE: Back box ideas, thought. - Midnightclub - 21-04-2015
Centre box as a backbox is quite a common one to do
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Seems a bit restrictive imo. Ive got a spare centre box I can use I need be.
RE: Back box ideas, thought. - r3k1355 - 21-04-2015
Straight through system to a normal backbox is quite a good one, looks stock from the back.
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Im not sure what the standard back box is like for flow though. Any ideas?
Re: RE: Back box ideas, thought. - Seb_Ryan - 21-04-2015
(21-04-2015, 10:33 AM)bashbarnard Wrote: Seems a bit restrictive imo. Ive got a spare centre box I can use I need be.
The middle box is a hell of a lot less restrictive than the backbox..
RE: Back box ideas, thought. - Midnightclub - 21-04-2015
^^ This.. I thought the centres were essentially 'straight through' just with baffles around them
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Ok fair enough. I will now be trying to find a good centre box or a back box for next month.
RE: Back box ideas, thought. - Toms306 - 21-04-2015
New pattern centre sections are cheap enough iirc, that's the better option than a backbox as above, it still won't be quiet though.
RE: Back box ideas, thought. - Mattcheese31 - 21-04-2015
(21-04-2015, 12:42 PM)Seb_Ryan Wrote:(21-04-2015, 10:33 AM)bashbarnard Wrote: Seems a bit restrictive imo. Ive got a spare centre box I can use I need be.
The middle box is a hell of a lot less restrictive than the backbox..
Depends which backbox you use
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Im not after an oem quietness. Just something a touch quiter than that.
RE: Back box ideas, thought. - Piggy - 21-04-2015
I may have my cat back soon available bash
RE: Back box ideas, thought. - mr_fish - 21-04-2015
Just to echo what has been said, you just want a straight through box with some baffling.
Will just dull the noise down.
I've had both on my HDi and its a lot less 'thundery' having baffles.
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Ok so any universal back box really.
RE: Back box ideas, thought. - Dum-Dum - 21-04-2015
Get some bits from jettex and make yourself up a 2.5" twin box system, some of their silencers are pretty big and if you don't have a spare wheel you could fit a load of them.
RE: Back box ideas, thought. - bashbarnard - 21-04-2015
Just before I left work today had a BMW 320d estate in and the back box is 2 1\2 inch pipe work and looks beefy enough to keep things quiet enough for my liking. May have a scrap yard run happening now.
RE: Back box ideas, thought. - Deangatt - 01-05-2015
2.25 / 2.5" look perfect coming out of the bumper
RE: Back box ideas, thought. - highwayman306 - 01-05-2015
He wants a ninji/stealth/sleeper, so nothing on show
What dum-dum suggests
i think it would sound low and rumbly but not too noisy and have sufficient flow 