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mtp · (This post was last modified: 03-09-2013, 10:56 AM by mtp.)

Is anyone running a stainless cat back exhaust system that isn't too load for track days. My standard gti exhaust is rotting between the centre pipe and back box. I want to put a stainless system on but need to stay below 92db.

I know there are a few to choose from but struggling to find out how load some of them actually are. My standard one measured at 79db at 3500rpm on the last track day.

**vlj** · 03-09-2013, 10:57 AM

Vote on Mongoose! sure Sean will too

Midnightclub · 03-09-2013, 11:02 AM

Scorpion /endthread

**Just Sean** · 03-09-2013, 11:24 AM

Not a chance Danny! Mongoose ftw!

Mines a magnex decay with mongoose cat back and I was 87db @ 4500rpm Wink

Midnightclub · 03-09-2013, 11:33 AM

Was it still blowing at the centre when that was done though sean? gas needs to come out the back you know Tongue

**Ed Doe** · 03-09-2013, 11:42 AM

Mongoose FTW!

mtp · 03-09-2013, 11:45 AM

Thanks for the suggestions. Looks like noise is not a problem if you get 87db with a mongoose and decat.

**Grant** · 03-09-2013, 11:45 AM

Frankenstein straight through FTW!

mtp · 03-09-2013, 11:47 AM

(03-09-2013, 11:33 AM)Midnightclub Wrote: Was it still blowing at the centre when that was done though sean? gas needs to come out the back you know

Will have to remember this trick at the next noise test Smile

**Just Sean** · 03-09-2013, 12:24 PM

Its still blowing Tbf . need to get some welding done

mtp · 03-09-2013, 12:31 PM

Mines beyond welding Sad

Good reason to upgrade though Smile

**cully** · 03-09-2013, 12:36 PM

Mines at 91db @4500 with a stainless longlfe system with just a backbox
if i remember coombe has a limited of 95db so mines a bit close hence why no track time on the 14th

**Just Sean** · 03-09-2013, 12:50 PM

I thought come was 99

mtp · 03-09-2013, 01:08 PM

(03-09-2013, 12:36 PM)cully Wrote: Mines at 91db @4500 with a stainless longlfe system with just a backbox
if i remember coombe has a limited of 95db so mines a bit close hence why no track time on the 14th

Longlife systems are made to order aren't they. A mate of mine had one on his MR2, said the quality was really good.

**Just Sean** · 03-09-2013, 01:15 PM

And Cully that's a rubbish excuse Tbf ... You need to man up!

**cully** · 03-09-2013, 02:04 PM

(03-09-2013, 01:15 PM)Just Sean Wrote: And Cully that's a rubbish excuse Tbf ... You need to man up!

cars not really ready for a track slot
have things still i want to check over and change ready for a track day Wink

it will happen though when the car is ready and not before

**miles** · 04-09-2013, 10:17 PM

£380.00 retail for a CAT back system of mine, All well proven on all of my and customer's 306's

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