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Author Subject: Trackday people...
tvrfan007

Seasoned Pro

Location: In the garage

Registered: 29 May 2005

Posts: 3,488

Status: Offline
Post #1
Which exhaust do you have?

I'm building a car for track only and i'm interested in your experiences with them. I need to know what is a good system, as the car will end up supercharged, but need something that is going to pass trackday limitations else there's no point having it.

________________________________________

I'm Si btw Tee hee

Night Blue VW Golf GTD
Bianca LBSC Rallye - Track/Road Slag Project Thread
Sparkling Silver Mini Cooper D - Super Dooper Superman - (The other half's wheels)
Posted 9th Nov 2010 at 18:46
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lotek

Seasoned Pro

Location: Berkshire

Registered: 04 Dec 2007

Posts: 6,107

Status: Offline
Post #2
I have a Pugsport Magnex with Decat And i passed decibel tests at Brans and snetterton i think they are 100db Limits.

Scorpion systems will pass also with a decat
Posted 9th Nov 2010 at 18:50
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #3
Forget Magnex and Scorpion if you go SC. I think you will need to be looking at something a little more bespoke if you are going to get the noise down to acceptable levels. Cosmic Spanner had a nice system on his Pug, why not give him a PM?

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 9th Nov 2010 at 18:55
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tvrfan007

Seasoned Pro

Location: In the garage

Registered: 29 May 2005

Posts: 3,488

Status: Offline
Post #4
I shall do that indeed. Smile

________________________________________

I'm Si btw Tee hee

Night Blue VW Golf GTD
Bianca LBSC Rallye - Track/Road Slag Project Thread
Sparkling Silver Mini Cooper D - Super Dooper Superman - (The other half's wheels)
Posted 9th Nov 2010 at 18:57
Profile
miles

Seasoned Pro

Location: Ringwood

Registered: 28 Dec 2002

Posts: 3,433

Status: Offline
Post #5
Use my own systems, nice and easy

________________________________________

306 Rallye Sptint/Race Car, 205 CTI 1.9 8v to name a few

Road, Track and Race/Rally car preparation to your personal requirements,
Full Workshop & Diagnostic Facilities
New and Second parts, from Plugs to Turbo's
We now also carry out Routine Servicing
www.pugracing.com

& FB Page, https://www.facebook.com/PugRacing

Ebay; http://stores.ebay.co.uk/Pug-Racing-Shop

2012/2013/2014/2019 Class Winners at Gurston Down Speed Hillclimb & Joint overall, Class record too along the way,
Posted 9th Nov 2010 at 19:06
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tvrfan007

Seasoned Pro

Location: In the garage

Registered: 29 May 2005

Posts: 3,488

Status: Offline
Post #6
miles wrote:
Use my own systems, nice and easy


Are they an off the shelf Miles, or are they built on the car? Suitable for S/C?

I'm tempted by a Diff from yourself too.

________________________________________

I'm Si btw Tee hee

Night Blue VW Golf GTD
Bianca LBSC Rallye - Track/Road Slag Project Thread
Sparkling Silver Mini Cooper D - Super Dooper Superman - (The other half's wheels)
Posted 9th Nov 2010 at 19:13
Profile
ben306

Seasoned Pro

Location: North West

Registered: 17 Jan 2006

Posts: 2,942

Status: Offline
Post #7
Magnex with both boxes and decat was 89db at snetterton.

Magnex with centre box out and decat and just back box was 98db at elvington, but then I got black flagged after 5 laps because I was 121db at 40 metres drive by. Had to swap exhausts about and ever since I'll only run on track with the extra box if its not an unsilenced day.

________________________________________

My 306 Rallye Project Thread

Few recent Youtube track videos, more on my channel
Pair of Rallye's doing a few laps of Anglesey


Lap of Anglesey Coastal

3 sisters circuit

Few laps at Blyton
Posted 9th Nov 2010 at 19:41
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miles

Seasoned Pro

Location: Ringwood

Registered: 28 Dec 2002

Posts: 3,433

Status: Offline
Post #8
Yes these are off the shelf, Never tried one on a S/C car so cannot comment on that but if it's low boost the dia bar really the D/P is fine

________________________________________

306 Rallye Sptint/Race Car, 205 CTI 1.9 8v to name a few

Road, Track and Race/Rally car preparation to your personal requirements,
Full Workshop & Diagnostic Facilities
New and Second parts, from Plugs to Turbo's
We now also carry out Routine Servicing
www.pugracing.com

& FB Page, https://www.facebook.com/PugRacing

Ebay; http://stores.ebay.co.uk/Pug-Racing-Shop

2012/2013/2014/2019 Class Winners at Gurston Down Speed Hillclimb & Joint overall, Class record too along the way,
Posted 14th Nov 2010 at 01:16
Profile
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