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 Posted: Wed Mar 30, 2011 10:43 am |
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Joined: Feb 21, 2010
Posts: 228
Trade Rating: +4
Location: West Lothian
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just got my hdi decatted on monday and i think its great but noticed its a lot louder than it was and its sounds like a cross between a tractor and darth vader exhaling constantly when driving around  , there is no back box either its a stainless straight through 2 inch exhaust system with just a tailpipe on the end... is the noise normal or could it be just causee there's no back box there to tone the noise down?
cheers
Chris
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Posted: Wed Mar 30, 2011 10:46 am |
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Joined: Feb 09, 2010
Posts: 397
Trade Rating: 0
Location: Stoke on Trent
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If you have no cat or silencers then yes it will sound like a bus
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Posted: Wed Mar 30, 2011 10:50 am |
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Joined: Feb 07, 2010
Posts: 3666
Trade Rating: +59
Location: Scotland
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| Andy180 wrote: |
| If you have no cat or silencers then yes it will sound like a bus |
And knacker the turbo.
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| '98 Nile Blue 306 GTi 6
'04 Obsidian Black 206 GTi 138 | |
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Posted: Wed Mar 30, 2011 10:51 am |
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Joined: Feb 21, 2010
Posts: 228
Trade Rating: +4
Location: West Lothian
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was afraid of that, stainless was already on it when i got it with just a tailpipe and i just got it decatted myself so will now look into getting the tailpipe lopped off and a nice back box put on to remove that god awful noise
will adding a backbox reduce performance at all? or will it be unnoticable?
cheers
Chris
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Posted: Wed Mar 30, 2011 10:53 am |
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Joined: Feb 09, 2010
Posts: 397
Trade Rating: 0
Location: Stoke on Trent
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just get a small rear silencer put on so youve got some back pressure
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Posted: Wed Mar 30, 2011 10:54 am |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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| Andy180 wrote: |
| just get a small rear silencer put on so youve got some back pressure |
dont you get the backpressure from the turbo??
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| Renault Clio III RS - Race Car 
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner  | |
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Posted: Wed Mar 30, 2011 10:58 am |
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Joined: Feb 21, 2010
Posts: 228
Trade Rating: +4
Location: West Lothian
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| G. wrote: |
| Andy180 wrote: |
| If you have no cat or silencers then yes it will sound like a bus |
And knacker the turbo. |
so get a silencer asap then G? btw that wasn't you sitting opposite me in ecosse today was it? lol
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Posted: Wed Mar 30, 2011 10:59 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Best exhaust on a HDi is no exahust
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Posted: Wed Mar 30, 2011 11:03 am |
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Joined: Feb 07, 2010
Posts: 3666
Trade Rating: +59
Location: Scotland
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Ahahaha it was aye! Small world, never even seen your location there! I'd fire a back box on it, I've heard of turbos going pop from 'spiking'.
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| '98 Nile Blue 306 GTi 6
'04 Obsidian Black 206 GTi 138 | |
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Posted: Wed Mar 30, 2011 11:06 am |
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Joined: Feb 21, 2010
Posts: 228
Trade Rating: +4
Location: West Lothian
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yeah i only realised when i seen that you had a silver hdi(nice car btw.. any plans for performance?) haha. well i'll head back to stainless creations and get that tail pipe cut and a back box slapped on... the missus thinks there's somethin wrong with the exhaust thanks to the new noise
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Posted: Wed Mar 30, 2011 11:14 am |
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Joined: Feb 09, 2010
Posts: 397
Trade Rating: 0
Location: Stoke on Trent
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| Mattie-DS3 wrote: |
dont you get the backpressure from the turbo?? |
yeah you do i always thought u didnt need any silencers if u had a turbo car but ive been told a few times that you do need abit of backpressure so god knows lol, either way it will stop it from sounding s**t.
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Posted: Wed Mar 30, 2011 11:14 am |
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Joined: Feb 07, 2010
Posts: 3666
Trade Rating: +59
Location: Scotland
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Waiting on word back on some Bilstein dampers and Eibach springs, refurbished 206 GTi 180 brakes are due back soon - apart from that mostly cosmetic stuff! Where was your car? Is it a 2.0 or 1.6 HDi?
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| '98 Nile Blue 306 GTi 6
'04 Obsidian Black 206 GTi 138 | |
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Posted: Wed Mar 30, 2011 12:17 pm |
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Joined: Feb 07, 2010
Posts: 2360
Trade Rating: +3
Location: Sheffield/Chesterfield/Dronfield
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My decat sounds pretty good for a diesel, a nice rumble on tick over but not loud enough to sound like an evo impersonator
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Posted: Wed Mar 30, 2011 1:13 pm |
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Joined: Feb 21, 2010
Posts: 228
Trade Rating: +4
Location: West Lothian
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2.0 hdi DTurbo in china blue mate was in getting HID's fitted want some sports sp arches and intercooler.. Right now its got nimrods, gti half leather interior, gti map light, gti gearknob, gti handbrake, basically a diesel gti without climate control and sp pedals are to be fitted.. Just need to cc it and up the power oh and fix the flippin paint! Its flaking off everywhere may lower it in the future too
Chris
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