Exhaust looks as good but doesn't sound as good? - Alfa Romeo Forum
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(Post Link) post #1 of 33 Old 11-09-16 Thread Starter
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Exhaust looks as good but doesn't sound as good?

Hi guys, I fitted quad exhaust rear section and love the look but then come across this video and the sound is stunning!!


I love the deep growl sound.... so how do I achieve this?

My quad exhaust just replaced the last section, everything else is standard. Reading the comments it's ragazzon but checking out the website there are so many different bits.

So not sure what to replace next, is this car anyone's on the forum? Any tips with the ragazzon.

Thanks Jon

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Is your quad exhaust silenced or not? Do you still have the centre silencer? Standard cat or sports cat? Standard downpipes or equal length? Cf2 manifold or pre'cat'd cf3 manifold?

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This guy has loads of videos up on YouTube and it's easy to get mixed up with T4 CUP which also has videos and a similar set up. Click the little downward arrow and he sometimes gives info on his setup. On the video you have posted it says straight through from cat so he has an unsilenced centre section and and unsilenced rear section (all Ragazzon). However I believe that he found it too much and put the ragazzon mid section that has a very small silencer on. You can hear this on a later video shot on his driveway. You can only get it from Squadra which I think are in Austria but happily ship to uk. You are at the mercy of the euro/pound exhxhange rate!
Best thing to do is watch loads of YouTube videos and gain info from the ones that have described their set up in detail.
Of course it also depends what you've put on as your rear section as to whether you can recreate what you like in the video.
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(Post Link) post #4 of 33 Old 11-09-16 Thread Starter
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Thanks guys

Cyc my exhaust system is a standard ph2 with this on the end

http://m.ebay.co.uk/itm/FOX-Sports-E...887?nav=SEARCH

I will go through the rest of the video and see what I can find, thanks james

If it's the last two sections, I wondering if I need this one

http://www.gazzellaracing.com/produc...at=1324&page=1

As the final section is very similar to what I have I think

Ragazzon Stainless Steel Centre Pipe without Silencer Group N for Alfa GTV/Spider
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That would make it like the video posted in your first post. That would be to loud for me though.

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That's what I'm after that deep rumble when the car idels

Not bad £150 delivered :-)
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http://shop.alfisti.net/Tuning-Styli...all::3592.html

Might be just a touch more subtle, but not much.

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Quote:
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http://shop.alfisti.net/Tuning-Styli...all::3592.html

Might be just a touch more subtle, but not much.

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That's the one. It will still be loud but with the edge taken off a little.
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John

you and i need to meet up ( staffordshire to Wolverhampton)....................... if your after a exhaust that is just insane then i have Cybox EL downpipes and the Wizzard quad exhaust, Its insane i tell you just unbelivable

Loud but not boomy on motorway....................
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Jon....you only had to look in our Cup list:

No 047 .........Reg: SE51DOJ.......Alfakenny.............Southport

....but I think he's either just sold it or is selling it.

I've played with various exhaust, too many to list, but both the Ragga ones, unsilenced & small silencer, with an unsilenced rear are far too loud...the small silencer one does next to nothing, trust me I've got one fitted with a single silencer Autodelta Quad(see pictures)....absolutely lovely deep sound but with the unsilenced quad......horrendous...virtually the same as totally unsilenced!

The std middle section does all the silencing. Fit a single sports silencer, but not the Ragga, & you should achieve what you're after. A Powerflow centre can make up a centre section using one of their silencers but make sure it's only a small one.....I made the mistake once, asked them to quieten an unsilenced quad system, remove the harshness/volume, & they completely silenced it back to near std sound!

Alfaholics do one, ask them how it sounds with an unsilenced rear: Centre section - 3.0/3.2 V6

Clive
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I'd be interested to know what the alfaholics mid section sounds like with an unsilenced quad too.
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Originally Posted by CGTVs View Post
Jon....you only had to look in our Cup list:

No 047 .........Reg: SE51DOJ.......Alfakenny.............Southport

....but I think he's either just sold it or is selling it.

I've played with various exhaust, too many to list, but both the Ragga ones, unsilenced & small silencer, with an unsilenced rear are far too loud...the small silencer one does next to nothing, trust me I've got one fitted with a single silencer Autodelta Quad(see pictures)....absolutely lovely deep sound but with the unsilenced quad......horrendous...virtually the same as totally unsilenced!

The std middle section does all the silencing. Fit a single sports silencer, but not the Ragga, & you should achieve what you're after. A Powerflow centre can make up a centre section using one of their silencers but make sure it's only a small one.....I made the mistake once, asked them to quieten an unsilenced quad system, remove the harshness/volume, & they completely silenced it back to near std sound!

Alfaholics do one, ask them how it sounds with an unsilenced rear: Centre section - 3.0/3.2 V6

Clive
Clive have you ever had a raggazon silenced rear quad with straight through centre and a sports cat? If so what was your opinion?

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and this is exactly why i went for the wizzard ................... its just fitted and cat back no messing

at start up

other



since these vids had EL downpipes and that makes it more of a scream and wail at high revs
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All the advice I've seen is that the middle silencer does most of the work to cut out the "boom" at 2-3,000 RPM. Which you'll want if you are doing significant miles.

Currently, I have the large Ragazzon silencer with unsilenced quads, everything else standard.

It's fairly loud, and probably a bit too unrefined for my liking. As for the boom, it is quite noticeable at 2,500 RPM.. much quieter in top gear at 70MPH rather than 60MPH for example (where speed limits allow..)

But it sounds nice at idle with a deep sound.
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Originally Posted by bradpit999 View Post
and this is exactly why i went for the wizzard ................... its just fitted and cat back no messing

at start up
https://www.youtube.com/watch?v=UyMS9ndA8k0

other
https://www.youtube.com/watch?v=fCYRZh9tTKc



since these vids had EL downpipes and that makes it more of a scream and wail at high revs
It's a very authentic Italian sound. Just a bit to much for me.

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Clive have you ever had a raggazon silenced rear quad with straight through centre and a sports cat? If so what was your opinion?

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Not exactly but I think that would sound good.

Clive
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CF2 & CF3 models sound different with the same cat-back setup anyway, so trying to make a CF2 sound like a Cup will always be tricky. CF2s tend to sound smoother and higher pitched I'd say. Fitting CF2 manifolds to a CF3 still leaves you with a generally CF3-sounding exhaust but just with waaaay more volume. Its the big mid cat/silencer on the CF2s that makes the most difference I reckon, not the manifolds.

Jon - I would google Gazella Racing before you place an order, as you would before ordering anywhere of course It doesn't hurt to do a bit of background checking to make sure you are dealing with a reputable company.

I wish there was a video on Youtube of someone with a std CF2 or CF3 with just a Wizard silenced cat-back, every single one I've seen is the unsilenced version which sound fantastic but not at all subtle. The silenced version barely gets any attention. Someone in the GTA lounge has just fitted one to his 156 GTA and done a review if anyone is interested - same sort of effect on the GTV (identical backbox internals but different system & tailpipe lengths):

http://www.alfaowner.com/Forum/motor...l#post15250817
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Autolusso Penrith - UK's leading independent Alfa Romeo specialist with branches in Bedfordshire, Cumbria & Dorset

Wizard Exhaust systems available here

Tel: 01768 879 171
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(Post Link) post #18 of 33 Old 13-09-16 Thread Starter
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Thanks for all the info and input guys, i haven't ordered yet as been doing a lot of reading from all the websites recommended. I want a load exhaust with that Italian sound but not boomy on the motorway.

Bradpit that sound is great off the videos, meeting up would be great. I'm now in castle Donington so not far.

Clive thanks for all the info I'm sure you have had a fair few different systems, the autodelta one looks nice and well priced, I had a look under my car and mine looks the same except it's not Shiney lol! Reading the description they seem to know there stuff and although I want my exhaust load not boy racer.

Pus thanks for the tip with gazelle racing I will check out there website.

Ahh so much choice I don't want to get it wrong, might have to get two lol
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From what you say I think you'd be best going for the wizard setup, heard so many happy people after they've had them fitted.

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From what you say I think you'd be best going for the wizard setup, heard so many happy people after they've had them fitted.

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Yes....but no!

As he's already bought the unsilenced quad rear section, he's after a decent sounding 'silenced' centre section. The Ragga small silencer one will be too loud....quite a few people on here have had them & then changed to something quieter. I know as I bought a nearly new one from a member, fitted it to an unsilenced quad sytem & it was still too loud....that's why I combined it with a single silencer quad.

This one would prob be ok, similar I expect to the Alfaholic's one: Alfa Spider und Alfa GTV Ragazzon Edelstahl Mittelschalldämpfer - Alfa Romeo Shop - Tuning, Styling, Fanartikel und Modellautos

Also I do know a local car with twin silenced quad & unsilenced centre, I'm sure a std cat, that sounded ace, prob Ragga.

The underneath cat(s) doesn't seem to affect the sound much if at all. I've changed a CF3 sports & CF2 hollowed out & pretty much sounded, & performed, the same.

Clive
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Good point Clive I'd forgotten he already has the quad.

Get a centre section as above or from alfaholics.

Also very pleased to hear that a silenced quad and straight through centre sounds 'ace' as that's the way I intend to go. Cheers for the info.

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Quote:
Originally Posted by GavinH View Post
All the advice I've seen is that the middle silencer does most of the work to cut out the "boom" at 2-3,000 RPM. Which you'll want if you are doing significant miles.

Currently, I have the large Ragazzon silencer with unsilenced quads, everything else standard.

It's fairly loud, and probably a bit too unrefined for my liking. As for the boom, it is quite noticeable at 2,500 RPM.. much quieter in top gear at 70MPH rather than 60MPH for example (where speed limits allow..)

But it sounds nice at idle with a deep sound.

Isn't it the transverse box that gets rid if the boom, hence alfaholics keeping it in their full set up?

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the conversation starts and ends with the one word "wizard" and that`s the end of it, Since having the EL downpipes on its just took on a even higher pitch of wail and scream...................... i always throught the Raggazon exhausts were a little lower pitched and a little boomy

have to say mine is quieter now on the motorway that it was before the EL downpipes, There is no boom at all its just a little trailing subdued burble but its hardly noticeable, however when you tickle throttle it wakes up into a symphony again

i think my car have been responsible for at least 6 units being sold maybe more i dont know about but the comments i get from Alfa Enthusiasts and not enthusiasts it very heartwarming
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If it all seems under control..............your not going fast enough !!
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Quote:
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Isn't it the transverse box that gets rid if the boom, hence alfaholics keeping it in there full set up?
Yep - that's the one I meant. Sorry if there was any confusion!
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Yep - that's the one I meant. Sorry if there was any confusion!
I've never seen an off the shelf exhaust system, besides the alfaholics one, that keeps the transverse box.

The wizard system is unique though and has unique characteristics, so if one of the owners of these system says it does 'boom' then it doesn't. But you do need to buy the whole cat back system to get all the benefits.

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