is it worth heat wraping your exhaust
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is it worth heat wraping your exhaust
as it says above just about to order my new vortex afterburner exhaust and wondering if its worth buying heat wrap and what is the benefit ?
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As already said by The Hamster it is certainly worthwhile wrapping headers, uppipe and downpipe. This will take 2 x 50 foot rolls of 2" DEI wrap. I only use DEI wrap because of its quality and thermal ability. It also has a stitching down the side to act as an overlap guide which makes it economical in use.
To wrap any of these three components you need them off the car or you are wasting your time.
Popping and banging in the exhaust occurs when excess fuel goes in to the hot exhaust system and ignites (explodes). There is no guarantee you will get pops and bangs from wrapping headers, uppipe, downpipe unless there is already excess fuel there and if that is what you want you need to request pops and bangs from your mapper to be sure this happens. If there is already excess fuel there obviously the hotter exhaust system from the wrapping will extenuate the effect of the pops and bangs.
50 foot x 2" roll £55.00 plus postage. You can get stuff half the price on e-Bay but I have customers with wrapped headers from over 3 or 4 years ago.
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So wrapping can actually help to reduce lag.
Last edited by MicaDan; 16 November 2011 at 09:10 PM.
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I'm going to be fitting a wrapped downpipe. (eventually)
Is it worth, while I have it all apart fitting a turbo blanket to help with the under bonnet temps?
If so what blanket would you recommend for a VF23?
Is it worth, while I have it all apart fitting a turbo blanket to help with the under bonnet temps?
If so what blanket would you recommend for a VF23?
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slightly off track...what are the benifits on a non-turbo engine (not a scoob BTW )
theres a roll of 2"x50' on ebay £20+£5 p&p no bids 9 hours to go
theres a roll of 2"x50' on ebay £20+£5 p&p no bids 9 hours to go
Last edited by Steve001; 19 November 2011 at 11:41 AM.
#21
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The benefits on a non turbo engine are similar to those on a turbo engine. Hot gas flows easier than cold gas but remember you don't have a turbo to spool.
Using quality wrap done properly, there are plenty customers out there who have had wrapped uppipes, downpipes and headers three years ago and more and it is still intact.
Use cheap wrap and chances are it doesn't have the thermal properties and in addition it will have fallen off in a matter of months.
Using quality wrap done properly, there are plenty customers out there who have had wrapped uppipes, downpipes and headers three years ago and more and it is still intact.
Use cheap wrap and chances are it doesn't have the thermal properties and in addition it will have fallen off in a matter of months.
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The benefits on a non turbo engine are similar to those on a turbo engine. Hot gas flows easier than cold gas but remember you don't have a turbo to spool.
Using quality wrap done properly, there are plenty customers out there who have had wrapped uppipes, downpipes and headers three years ago and more and it is still intact.
Use cheap wrap and chances are it doesn't have the thermal properties and in addition it will have fallen off in a matter of months.
Using quality wrap done properly, there are plenty customers out there who have had wrapped uppipes, downpipes and headers three years ago and more and it is still intact.
Use cheap wrap and chances are it doesn't have the thermal properties and in addition it will have fallen off in a matter of months.
#28
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Done properly, with the proper overlap, keeping the wrap tight and doing each runner individually you will use a full 50 foot roll x 2" DEI heat wrap. Do not soak it but apply it damp.
On the GT2 spec headers with the 3 bolt uppipe you will benefit tremendously in spool and response from my trick uppipe which comes DEI heat wrapped anyway.
On the GT2 spec headers with the 3 bolt uppipe you will benefit tremendously in spool and response from my trick uppipe which comes DEI heat wrapped anyway.
#30
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The 3 bolt uppipe, referred to as the Harvey Trick Uppipe is stainless steel, slip jointed, and supplied DEI heat wrapped with five new Subaru studs. This replaces the 3 bolt uppipe supplied with the GT2 tubular header sets (which we also supply).
You cannot fit this uppipe without a remap as the spool is that much earlier and reported as 250-500 to 1 bar in 4th earlier by various users that previously had the original supplied uppipe.
Developing this uppipe took 12 months of fairly intensive trial and error including flow bench testing time and the improvements were such that when we fitted the first couple to customer's cars we thought the results were a fluke. This is now the norm.
You will find the car more responsive and willing and it will spool far earlier with more torque right across the rev range and no loss of power. This has been fitted to almost everything from really low bhp, mid 300s to over 700 bhp and of all the things I have designed or developed this probably has the biggest results for the least spend.
As I said stainless, slip jointed, DEI heat wrapped with five new studs. £149. We fit for a fixed £75 or delivery £12.50.
You cannot fit this uppipe without a remap as the spool is that much earlier and reported as 250-500 to 1 bar in 4th earlier by various users that previously had the original supplied uppipe.
Developing this uppipe took 12 months of fairly intensive trial and error including flow bench testing time and the improvements were such that when we fitted the first couple to customer's cars we thought the results were a fluke. This is now the norm.
You will find the car more responsive and willing and it will spool far earlier with more torque right across the rev range and no loss of power. This has been fitted to almost everything from really low bhp, mid 300s to over 700 bhp and of all the things I have designed or developed this probably has the biggest results for the least spend.
As I said stainless, slip jointed, DEI heat wrapped with five new studs. £149. We fit for a fixed £75 or delivery £12.50.
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