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Old 11-01-09, 05:54 PM   #1
afcbadam
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de cat
how much louder does it make the car. i have the janspeed cat back atm and wondered what extra noise it would make
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Old 11-01-09, 06:02 PM   #2
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umm....i just noticed it was louder inside the car to be honest. does make a fair amount of difference
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Old 11-01-09, 06:14 PM   #3
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Check out the other thread on the brands hatch track day and listen to my car compared to the rest of the zeds going past. none of the others had a de cat at the time.Don't know what it will sound like with the janspeed tho. I have the scorpion on mine.
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Old 11-01-09, 07:43 PM   #4
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I had a de-cat on my old ZR, also all janspeed from the manifold back, and it totally transformed the car. Sounded better, went better and actually used less fuel lol

I found it made the car much louder when you booted it - and it was a crazy aggressive sounding loud - but made it much quieter on the motorway and about town.

Makes the cruising note more livable I think. I drove it for 2 years with the de-cat and the trip down to Manchester with the standard cat back in almost drove me mad with the noise it was making (KevG can vouch for that, as he was with me!) It really was an awful drone after the crisp noise it had been making

Frees up a few extra BHP too
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Old 11-01-09, 07:47 PM   #5
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Awww Man that was mental the noise was enough to give me a headache!!!
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Old 11-01-09, 07:48 PM   #6
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I went to pick a friend up from a night out just after I took the de-cat off and they didn't even recognise the car coming it sounded so different lol

I really hated it without the de-cat
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Old 11-01-09, 08:37 PM   #7
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I have tried countless times to fit my decat and have admitted defeat! All 5 off fixings are rusted solid and will not budge. I have broken one new nut splitter and tried a butane micro-torch that can reach 1300degC with no effect.

I will have to pay to get it changed as it will need ramps and oxy-acetylene to free them up otherwise the studs on the downpipes will snap I know it!
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Old 12-01-09, 03:34 PM   #8
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is this what you guys are on about as i was thinking of purchasing one?

http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=400014388035
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Old 12-01-09, 03:47 PM   #9
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no, that's part of the cat back and a centre box. It fits right after the car and goes to the back box

The cat is just a short straight bit of pipe
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Old 12-01-09, 03:50 PM   #10
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infact here's a picture of my old one being taken off lol

2nd pic down

http://www.themgzs.co.uk/vb/showthre...ghlight=duplex
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