156 2.5 wizard? - Alfa Romeo Forum
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(Post Link) post #1 of 16 Old 01-09-16 Thread Starter
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156 2.5 wizard?

Hi all, collecting a 2.5 tomorrow. Probably a long shot but if there's any wizards around for sale I'd be interested. Cheers
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Mine's not for sale....but I can confirm that on a 2.5 it sounds epic - better than on the 3.2 IMO.
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(Post Link) post #3 of 16 Old 03-09-16 Thread Starter
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That's great to hear.. I thought it might. There's something more rugged about the 2.5. The 3.2 seems too smooth? I can hope that one becomes available.. can't really justify buying a brand new one right now.
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The 2.5 does the crackle on over run very nicely - 3.2 doesn't!

Has not helped the fuel economy on mine at all.... :-)
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I heard one on a 2.5 the other week......nearly cracked my face grinning so much
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(Post Link) post #6 of 16 Old 06-09-16 Thread Starter
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Not helping me with resisting the temptation guys ! Is your car a cf2 or cf3 rxe ?
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CF3, still has the pre-cats.

Its about right - wouldn't want it to be a lot noisier.

I know that Dan can add a silencer in the mid section to tone it down a bit - I'm getting that option for the GTA!
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(Post Link) post #8 of 16 Old 06-09-16 Thread Starter
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Ah OK. Mine's CF2. But loud is good : ) I bet it does sound sweet on the cf3's.. I think I regretted taking them out of my GTA. In the end I had cf2's, eq front pipes from gotcha, silenced decat and then unsilenced center pipe (I tried one with another resonator in, and one with a mini silencer, none were any good..) and then a reworked back box to eliminate boom (visited Wiz's shop). It was epic. I really don't know why I sold it. But I'm sure the 2.5 will come very close if I can wangle the funds.

Spec: 147 GTA Gabbiano Blue <> 2.5v6 Catless Mani's <> Gotcha EQ FP's <> Silenced Wizard Decat <> Wiz Unsilenced Cat Back <> 360 TB <> Eibach ARB's <> Q2 <> GTV Gearbox <> Short Shifter Kit



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CF2 & CF3 are similar volume wise, but the tone is a little different. CF2 has tubular steel manifolds but the centre cat makes up for them, it is a one pipe in, one pipe out unit which also has a packed chamber built in, in addition to the catalyst element. CF3 has 4 little cats. Using CF2 manifolds & CF3 middle twin cats gives you much more volume than either a stock CF2 or stock CF3. Hope this makes sense
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Originally Posted by fewleh View Post
That's great to hear.. I thought it might. There's something more rugged about the 2.5. The 3.2 seems too smooth? I can hope that one becomes available.. can't really justify buying a brand new one right now.
I know what you mean, those big engines are rubbish. I wish I still had my Morris Minor.
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People say that the 2.5 is a more "eager" drive and i think it is. Clearly the 3.2 delivers a wall of power, the 2.5 can't compete, but spanking a 2.5 down a B road is actually more satisfying than the 3.2. The 3.2's party trick is joining motorways, and its ability to get you banned before leaving the slip road....
Pud237 and sizewell like this.
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I own a 2.5 v6 156, cf2. It isn't passing an MOT at the moment due to emissions and hopefully it is just down to the cat. By far, the best thing about it is the noise. I could drive round a multi story car park all day long in it giving it a few revs now and again.
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Does anyone have pics of a 2.5 v6 with the wizard fitted? Am I right in saying the GTA 3.2 and CF3 2.5s have identical exhaust systems?
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Very similar, not identical. The Wizard 2.5 is the same system as the 3.2, but it comes with an insert for the join to the cats - on the 2.5 this seems to be a slightly smaller diameter pipe. Just looks like a very standard twin tail pipe.
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Maybe try and contact Pud to get some pics of a setup on a 2.5?
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Differences between 156 2.5 V6 cat-back and 156 GTA cat-back are:

* 2x80mm PCD vs 2x90mm PCD on the flange that joins the cat.
* 2+1/8th inch diameter tube on 2.5, 2+1/2 inch diameter tube on the 3.2
* GTA tailpipe position is lower relative to the box and also about 30mm more to the left, and longer to clear the lip on the GTA rear bumper. We can optionally add 100mm to the tailpipe length on the 2.5 V6 systems for those owners who have the Zender kit fitted
* to keep bend angle as low as possible on both versions we alter the hanger brackets slightly, this affects the angle the backbox sits at relative to the floor of the car
* Because the 2.5 uses a narrower diameter exhaust system to the 3.2, the backbox internals are similarly narrower, this affects the tone of the exhaust slightly

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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