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Straight through exhaust.
#1466979
07/01/2014 01:42
07/01/2014 01:42
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leon1
Unregistered
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leon1
Unregistered
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Anyone running a straight through system?
Just the other day I caught my exhaust clamp on a speed bump causing the exhaust to split at the decat.
Couldn't help but think how nice it sounded without the rear back box. Not just a horrible loud brash noise either, it wasn't that loud. But I have owned an impreza with a nur spec exhaust which was ear bursting loud.
As I don't like my tail pipe anyways I'm thinking of having a pipe made from the cat back without a back box.
Anybody done this.
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Re: Straight through exhaust.
[Re: ]
#1467010
07/01/2014 10:56
07/01/2014 10:56
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leon1
Unregistered
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leon1
Unregistered
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94b is fine with me my impreza was sitting at 120db. I think my decat has a silencer as part of it as it's not just a pipe it's boxed.
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Re: Straight through exhaust.
[Re: ]
#1467019
07/01/2014 12:29
07/01/2014 12:29
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bigry20vt
Unregistered
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bigry20vt
Unregistered
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am running 3" turbo back with only back box. is rather loud but does sound nice. bit boomy on motorway but very rare im on there so doesn't bother me. on rolling road couple weeks ago. not to loud http://www.youtube.com/watch?v=u0LdcYZgpms
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Re: Straight through exhaust.
[Re: ]
#1467047
07/01/2014 14:26
07/01/2014 14:26
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leon1
Unregistered
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leon1
Unregistered
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sounds nice. Anyone got any vids of no backbox?
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Re: Straight through exhaust.
[Re: ]
#1467069
07/01/2014 15:50
07/01/2014 15:50
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Craig1989
Unregistered
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Craig1989
Unregistered
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I have a 3" turbo back, one straight through midbox and a miltek back box. Planning on fitting a y pipe after the mid box with a valve so i can open it out to 3" at the flick of a switch. So will have a 3" turbo back, 3" straight through mid box and then split into 3" straight pipe and also a 2.5" miltek. Best of both worlds, quite cruising and awesome when hooning it
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Re: Straight through exhaust.
[Re: ]
#1467097
07/01/2014 17:42
07/01/2014 17:42
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jonofitzer
Unregistered
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jonofitzer
Unregistered
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Also had a 3" turbo to back box but had to weld in 2 silencers. No doubting it sounded nice but on the motorway I couldn't talk to the person beside me without shouting, just to loud.
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Re: Straight through exhaust.
[Re: ]
#1467126
07/01/2014 20:19
07/01/2014 20:19
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leon1
Unregistered
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leon1
Unregistered
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No louder than my old impreza.
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Re: Straight through exhaust.
[Re: H_R]
#1467140
07/01/2014 21:41
07/01/2014 21:41
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Joined: Feb 2008
Posts: 1,728 London
kj16v
My life on the forum
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My life on the forum
Joined: Feb 2008
Posts: 1,728
London
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I think a side exit would be fantastic! just not sure of the legalities No legal issues (providing it's below noise limits) - just bloody loud!
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Re: Straight through exhaust.
[Re: ]
#1467167
08/01/2014 01:23
08/01/2014 01:23
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nickson
Unregistered
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nickson
Unregistered
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i removed my rear section, stock dp and cat in place. then made a side exit exhaust from the cat back, exits on pass side just before the wheel.
it sounds incredible! it bounces back off walls etc and just sounds awsome.
its not boomy, and its actually pretty quiet when driving normally, and motorway cruising! only makes an awsome noise when you give it large and the boost comes on.
i have a db meter, and at 5 thousand rpm its around 93db, which is quiet according to the spl meter, but to the ear it sounds louder lol.
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Re: Straight through exhaust.
[Re: ]
#1467314
08/01/2014 19:46
08/01/2014 19:46
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nickson
Unregistered
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nickson
Unregistered
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will be starting a project thread for the car soon so will post pics in there. turning the car into a track toy/race car now.
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Re: Straight through exhaust.
[Re: ]
#1467546
09/01/2014 21:59
09/01/2014 21:59
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Joined: Aug 2007
Posts: 691 uk
Blue20vt
Enjoying the ride
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Enjoying the ride
Joined: Aug 2007
Posts: 691
uk
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i removed my rear section, stock dp and cat in place. then made a side exit exhaust from the cat back, exits on pass side just before the wheel.
it sounds incredible! it bounces back off walls etc and just sounds awsome.
I've never seen this on a coupe! I would love to have that. Have you any pics? And is is just downpipe, cat, then a exit to left or right?
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Re: Straight through exhaust.
[Re: ]
#1467581
09/01/2014 23:53
09/01/2014 23:53
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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Why not a modded down pipe straight out the side? I bet that sounds good
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Straight through exhaust.
[Re: ]
#1467600
10/01/2014 09:20
10/01/2014 09:20
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suba
Unregistered
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suba
Unregistered
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94b is fine with me my impreza was sitting at 120db. I think my decat has a silencer as part of it as it's not just a pipe it's boxed. 120 DB is just absolutely ridiculous, you'd have to wear ear plugs to avoid hearing damage. Also totally un-necessary for power as well. A lot of the jap exhausts are just silly loud for no reason, my brothers HKS 'Silent Hi power' on his Skyline needed two extra silencers put into in to get it below 100 DB!
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Re: Straight through exhaust.
[Re: ]
#1467613
10/01/2014 11:26
10/01/2014 11:26
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Joined: Feb 2006
Posts: 5,404 Essex
Trappy
Forum is my life
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Forum is my life
Joined: Feb 2006
Posts: 5,404
Essex
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94b is fine with me my impreza was sitting at 120db. I think my decat has a silencer as part of it as it's not just a pipe it's boxed. 120 DB is just absolutely ridiculous, you'd have to wear ear plugs to avoid hearing damage. ...and a blindfold to avoid bleeding eyes if you ever saw a Coop with a side exit exhaust
F****** b****** thing...
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Re: Straight through exhaust.
[Re: ]
#1467654
10/01/2014 15:05
10/01/2014 15:05
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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Sparco had one looked good because he cut into the LE skirt so it wasn't in your face
Last edited by knight7660; 10/01/2014 15:23.
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Straight through exhaust.
[Re: knight7660]
#1467725
10/01/2014 20:14
10/01/2014 20:14
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Joined: Aug 2007
Posts: 691 uk
Blue20vt
Enjoying the ride
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Enjoying the ride
Joined: Aug 2007
Posts: 691
uk
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Sparco had one looked good because he cut into the LE skirt so it wasn't in your face Do you know if there is a picture of this? Thanks
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Re: Straight through exhaust.
[Re: ]
#1467788
11/01/2014 00:02
11/01/2014 00:02
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leon1
Unregistered
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leon1
Unregistered
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94b is fine with me my impreza was sitting at 120db. I think my decat has a silencer as part of it as it's not just a pipe it's boxed. 120 DB is just absolutely ridiculous, you'd have to wear ear plugs to avoid hearing damage. Also totally un-necessary for power as well. A lot of the jap exhausts are just silly loud for no reason, my brothers HKS 'Silent Hi power' on his Skyline needed two extra silencers put into in to get it below 100 DB! It was extremely loud no ear plugs needed though just got used to it in the end. I had to park my car up the street to avoid complaints. My evo 6 was 97db which seems silent in comparison.
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Re: Straight through exhaust.
[Re: ]
#1467999
12/01/2014 10:46
12/01/2014 10:46
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Big_Muzzie
Unregistered
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Big_Muzzie
Unregistered
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Must've been fairly quiet as tracks are strict on noise levels.
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Re: Straight through exhaust.
[Re: ]
#1468007
12/01/2014 11:57
12/01/2014 11:57
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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Yes this is the time attack car so did need to comply with all regs
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Straight through exhaust.
[Re: ]
#1469438
19/01/2014 23:38
19/01/2014 23:38
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digitalundgrd
Unregistered
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digitalundgrd
Unregistered
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This is how my 16vt sounds. http://www.youtube.com/watch?v=cus2FotVGCE&app=desktop3" downpipe, and straight through pipe to the end (no backbox). It is a bit loud when starting from low rpm, but after 2000rpm it is OK. Driving on highway is also possible without taking pills for headache after you arrive to your destination
Last edited by digitalundgrd; 19/01/2014 23:38.
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Re: Straight through exhaust.
[Re: ]
#1478367
10/03/2014 21:50
10/03/2014 21:50
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Joined: Jan 2006
Posts: 5,228 Anywhere that has roads
Welformed
Forum is my life
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Forum is my life
Joined: Jan 2006
Posts: 5,228
Anywhere that has roads
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Anyone got any sources for these 3" turbo-back pipes? I'm pretty urgently looking for a replacement. Price, as ever, is (almost) no object!
A 340Bhp, 300lb/ft powered thread hijacker
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