pquadro Posted August 4, 2017 Report Share Posted August 4, 2017 On 6/23/2017 at 5:36 PM, geraintthomas said: ProSpeed Exhausts in Cardiff, £135 all in, best money I've spent on the Porsche. Crackles on the overrun sometimes, pops and bangs on a cold start, removes the drone at motorway speeds and sounds almost identical to a 981 with the PSE at full chat. You need to have it Is that a stock exhaust / tail pipes? with just the bypass? Link to comment Share on other sites More sharing options...
geraintthomas Posted August 5, 2017 Report Share Posted August 5, 2017 1 hour ago, pquadro said: Is that a stock exhaust / tail pipes? with just the bypass? Certainly is. Link to comment Share on other sites More sharing options...
pquadro Posted August 5, 2017 Report Share Posted August 5, 2017 4 hours ago, geraintthomas said: Certainly is. Thanks How do you say it compares to this? And on here, around 2.30 minute mark, guy goes from $th to 3rd and 3rd to 2nd gears, whith a nice grwly sound. Does this happen with yours / any bypass? Link to comment Share on other sites More sharing options...
marseille Posted August 5, 2017 Report Share Posted August 5, 2017 On 24/06/2017 at 1:09 PM, Coupe100 said: Is the bypass worth it on a 2.5? I don't feel my exhaust is overly quiet or subtle already - it certainly makes a reasonable amount of noise, and has a nice rumble/occasional pop on deceleration. I'm sure I read somewhere that the 2.5 sounds a bit more throaty as standard anyway (although I might be completely making that up!)? I seen somewhere and it's years ago now that the 2.5 backbox had less baffling than the 3.2 also around the same time and I think it was on 986 forum they reckoned the best overall sound for the 986 was de cat pipes and the 2.5 backbox. Link to comment Share on other sites More sharing options...
DavidC Posted August 5, 2017 Report Share Posted August 5, 2017 How do the bypass exhausts do with the noise restrictions on track days? Link to comment Share on other sites More sharing options...
Billzeebub Posted August 5, 2017 Report Share Posted August 5, 2017 I had the exhaust bypass mod done by Hayward & Scott in Essex. It wasn't anything like as cheap as some people have paid on here. However, I am very happy with their fabrication. Proper old fashioned craftsmen. It was worth the money just to see the eclectic mix of cars on the premises! As for the sound, sensational above 3.5k revs, pootling around town barely noticeable and on motorway cruise almost as quiet as stock Link to comment Share on other sites More sharing options...
pquadro Posted August 5, 2017 Report Share Posted August 5, 2017 5 minutes ago, Billzeebub said: I had the exhaust bypass mod done by Hayward & Scott in Essex. It wasn't anything like as cheap as some people have paid on here. However, I am very happy with their fabrication. Proper old fashioned craftsmen. It was worth the money just to see the eclectic mix of cars on the premises! As for the sound, sensational above 3.5k revs, pootling around town barely noticeable and on motorway cruise almost as quiet as stock I have just exchanged email with them. Quoted just over £500 The only video they have is of a 981. I like it, but would be curious to hear a 986 job. Do you happen to have a video? or able to record some ? Link to comment Share on other sites More sharing options...
edc Posted August 5, 2017 Report Share Posted August 5, 2017 The pipe size and to a lesser extent where it tees off from will affect the sound. Link to comment Share on other sites More sharing options...
edc Posted August 5, 2017 Report Share Posted August 5, 2017 Check some sound clips in this sticky post. Link to comment Share on other sites More sharing options...
Billzeebub Posted August 5, 2017 Report Share Posted August 5, 2017 14 minutes ago, pquadro said: I have just exchanged email with them. Quoted just over £500 The only video they have is of a 981. I like it, but would be curious to hear a 986 job. Do you happen to have a video? or able to record some ? Sorry, don't have any sound clips. Cold start is pretty smile inducing..it burbles around town and screams when you rev it. Seem to remember it cost me just under £500 around 2 years ago. Link to comment Share on other sites More sharing options...
pquadro Posted August 5, 2017 Report Share Posted August 5, 2017 12 minutes ago, edc said: The pipe size and to a lesser extent where it tees off from will affect the sound. thanks, I see! 6 minutes ago, Billzeebub said: Sorry, don't have any sound clips, it burbles around town and screams when you rev it. Seem to remember it cost me just under £500 around 2 years ago. No worries, do you happen to know what pipe size you opted for? Link to comment Share on other sites More sharing options...
Billzeebub Posted August 5, 2017 Report Share Posted August 5, 2017 12 minutes ago, pquadro said: thanks, I see! No worries, do you happen to know what pipe size you opted for? Not too sure about that. I seem to recall when he asked me I specified that I wanted a good trade off between being quiet around town and loud under acceleration. So if there were 3 options probably the middle one. If there were 2 options, I probably went for the louder one!..and it does sound good Link to comment Share on other sites More sharing options...
geraintthomas Posted August 7, 2017 Report Share Posted August 7, 2017 Mine are 1" pipes. On 05/08/2017 at 1:30 PM, DavidC said: How do the bypass exhausts do with the noise restrictions on track days? They're not that loud! Link to comment Share on other sites More sharing options...
allatsea Posted August 8, 2017 Report Share Posted August 8, 2017 I'm also thinking of having this done. In truth I was thinking of a new exhaust system, but this might do the trick. My MY2002 996 had a 'Cridfords' bypass done and was superb. I've asked them by email to work the same magic on my 986S and they offered me a new exhaust instead, they clearly didn't want to do the mod. Does anyone know anywhere that does it in and around the Guildford \ Woking area? AaS Link to comment Share on other sites More sharing options...
Patt Posted August 9, 2017 Report Share Posted August 9, 2017 Basingstoke close enough ? Link to comment Share on other sites More sharing options...
allatsea Posted August 9, 2017 Report Share Posted August 9, 2017 25 minutes ago, Patt said: Basingstoke close enough ? Patt, Thank you and yes. If I have the time in late August might have a go at this - any idea how long it takes? A day? AaS Link to comment Share on other sites More sharing options...
Patt Posted August 9, 2017 Report Share Posted August 9, 2017 I've no idea as I have the factory fit PSE. I guess if they don't have any issues removing your system, a couple of hours ? Call them and ask ;-) Link to comment Share on other sites More sharing options...
allatsea Posted August 9, 2017 Report Share Posted August 9, 2017 4 minutes ago, Patt said: I've no idea as I have the factory fit PSE. I guess if they don't have any issues removing your system, a couple of hours ? Call them and ask ;-) Just emailed them...... As ever though I always worry that once they start it's a 'you're going to need a new exhaust' job. Go in to spend £120, come out £1200 lighter..... AaS Link to comment Share on other sites More sharing options...
Patt Posted August 9, 2017 Report Share Posted August 9, 2017 at worse you may need your clamps replacing due to corrosion. but then you can stick your head under the bumper and look yourself first ;-) Link to comment Share on other sites More sharing options...
allatsea Posted August 9, 2017 Report Share Posted August 9, 2017 No, you're right, but you understand the sentiment. I'll let you know what they say. My 996 was definitely all the better for it and I miss the noise. AaS Link to comment Share on other sites More sharing options...
Patt Posted August 9, 2017 Report Share Posted August 9, 2017 totally understand ! I couldn't be without it. what's the point of a sports car that you can't hear ? Link to comment Share on other sites More sharing options...
That986 Posted August 9, 2017 Report Share Posted August 9, 2017 Just now, Patt said: totally understand ! I couldn't be without it. what's the point of a sports car that you can't hear ? Amen to that. Link to comment Share on other sites More sharing options...
DHT Posted August 9, 2017 Report Share Posted August 9, 2017 On 05/08/2017 at 2:17 PM, Billzeebub said: I had the exhaust bypass mod done by Hayward & Scott in Essex. It wasn't anything like as cheap as some people have paid on here. However, I am very happy with their fabrication. Proper old fashioned craftsmen. It was worth the money just to see the eclectic mix of cars on the premises! As for the sound, sensational above 3.5k revs, pootling around town barely noticeable and on motorway cruise almost as quiet as stock I too had mine done at H&S - proper "old skool" exhaust specialists! The welding is beautifully done and the bypass pipes are at the top so very discrete. I must have had my work done well over 5 years ago (possibly 10!). I don't recall how much, but it wasn't as much as £500. I'm not into modding (car is stock apart from exhaust), but the exhaust bypass is GREAT! Really glad I did this. Link to comment Share on other sites More sharing options...
pquadro Posted August 10, 2017 Report Share Posted August 10, 2017 On 09/08/2017 at 3:07 PM, DHT said: I too had mine done at H&S - proper "old skool" exhaust specialists! The welding is beautifully done and the bypass pipes are at the top so very discrete. I must have had my work done well over 5 years ago (possibly 10!). I don't recall how much, but it wasn't as much as £500. I'm not into modding (car is stock apart from exhaust), but the exhaust bypass is GREAT! Really glad I did this. Cool! Do you have a sound clip of it? I'm on the fence between hayward and Scott and revolution... need to justify hs being double the price? Link to comment Share on other sites More sharing options...
Terryg Posted August 30, 2017 Author Report Share Posted August 30, 2017 Carried out the Crios mod and combined with the de snorkel I am quite happy for now, reserve the right to change my mind of course! Link to comment Share on other sites More sharing options...
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