JDL Auto Design - 2014 Exhaust Products - Page 13 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Captain Snooze · 02-04-2014, 12:47 AM

@JDLUniversalDesignStudio
More questions for you :/
1/ I have read else where of an option for coating that involves both outside and inside of the pipe. Supposedly keeps the heat in better. What is your opinion on this?
2/ The flexi-joints bug me. They look like exhaust goiter. Do they introduce any impediment to flow? How concerned would you be at producing these pipes without flexi-joints?

Thanks.

JDLAutoDesign · 02-04-2014, 12:58 AM

Quote:

Originally Posted by Captain Snooze

@JDLUniversalDesignStudio
More questions for you :/
1/ I have read else where of an option for coating that involves both outside and inside of the pipe. Supposedly keeps the heat in better. What is your opinion on this?
2/ The flexi-joints bug me. Do they introduce any impediment to flow? How concerned would you be at producing these pipes without flexi-joints?

Thanks.

If you can afford the coating I would do it. Keeping the heat in helps keep up the velocity of the exhaust pules and will also keep the bay temps down. As for the flex sections on the header, have you seen how much it actually moves? Ive seen them move a significant amount with the car in neutral so I can only imagine how much more it would move with load on the engine.

Here is a break down of how they are laid out. They are the smoothest as possible while still allowing movement. For a street car I dont really recommend running without them. If it was a dedicated race car that gets refreshed after a few hard track days than that may be a different story

SirBrass · 02-04-2014, 01:36 AM

Are there benefits to thermal coating besides looks that make it significantly better than thermal wrap?

Captain Snooze · 02-04-2014, 04:11 AM

@JDLAutoDesign
Sorry, my question was meant to have asked does your coating do the inside as well as the outside?

h4nh · 02-04-2014, 04:29 AM

Quote:

Originally Posted by JDLAutoDesign

We have a local car (SC'd but we are also looking for a local NA car) dyno the EL Catless and Cat section for numbers. I should be able to have those by the end of the weeek

Do you stock the 3" over pipe / front pipe or is it made to order?

Thanks!

JDLAutoDesign · 02-04-2014, 01:50 PM

Quote:

Originally Posted by h4nh

Do you stock the 3" over pipe / front pipe or is it made to order?

Thanks!

Made to order currently. Also dont done the 3" front pipe up on the site yet but will soon

FR-S Matt · 02-04-2014, 01:51 PM

Quote:

Originally Posted by JDLAutoDesign

Made to order currently. Also dont done the 3" front pipe up on the site yet but will soon

Have you guys experimented with Helmholtz (drone killers) yet? I've heard good things about them in different areas from front pipes to actual catbacks.

JDLAutoDesign · 02-04-2014, 01:56 PM

Quote:

Originally Posted by FR-S Matt

Have you guys experimented with Helmholtz (drone killers) yet? I've heard good things about them in different areas from front pipes to actual catbacks.

That would be something put in a catback if we offer them

Boxer486 · 02-04-2014, 02:07 PM

Quote:

Originally Posted by SirBrass

Are there benefits to thermal coating besides looks that make it significantly better than thermal wrap?

I believe thermal wraps can cause corrosion and also add more weight than coatings. Thermal performance could be worse as well depending. I think the only reason to select a wrap over coating would be to try to save money.

JDLAutoDesign · 02-04-2014, 02:23 PM

We dont warranty wrapped products. If wrapped too tight it will not allow for the metal to expand and contract properly and will cause cracking. Coating will keep the heat in and help with keeping the velocity of the exhaust up and better scavenging. The coating is the standard coating and it does well for its intended purpose.

tennisfreak · 02-04-2014, 03:47 PM

@JDLAutoDesign

Will a coating help any with noise?

FR-S Matt · 02-04-2014, 05:02 PM

Quote:

Originally Posted by tennisfreak

@JDLAutoDesign

Will a coating help any with noise?

Mine is coated and still makes noise. It's just the nature of the header having thinner walls and no heat shields. If it does reduce the sound, its very minimal. Mine only makes a lot of noise during cold start up front in the engine. Once it warms up, sounds beautiful.

JDLAutoDesign · 02-04-2014, 08:45 PM

Coating is for heat only sorry

StormTrooper · 02-04-2014, 11:54 PM

So dumb question.....

Looks like the headers are in two peices....is that for installation ease? This will bolt up to a stock location front pipe?

02-04-2014, 12:47 AM	#169
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,819 Thanks: 4,050 Thanked 9,556 Times in 4,196 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	@JDLUniversalDesignStudio More questions for you :/ 1/ I have read else where of an option for coating that involves both outside and inside of the pipe. Supposedly keeps the heat in better. What is your opinion on this? 2/ The flexi-joints bug me. They look like exhaust goiter. Do they introduce any impediment to flow? How concerned would you be at producing these pipes without flexi-joints? Thanks. __________________ My car is completely stock except for all the mods.

02-04-2014, 04:11 AM	#172
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,819 Thanks: 4,050 Thanked 9,556 Times in 4,196 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	@JDLAutoDesign Sorry, my question was meant to have asked does your coating do the inside as well as the outside? __________________ My car is completely stock except for all the mods.

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02-04-2014, 02:23 PM	#178
JDLAutoDesign Join Date: Jul 2012 Drives: 13 FRS Location: Phx AZ Posts: 1,827 Thanks: 389 Thanked 1,437 Times in 652 Posts Mentioned: 104 Post(s) Tagged: 1 Thread(s)	We dont warranty wrapped products. If wrapped too tight it will not allow for the metal to expand and contract properly and will cause cracking. Coating will keep the heat in and help with keeping the velocity of the exhaust up and better scavenging. The coating is the standard coating and it does well for its intended purpose.

02-04-2014, 08:45 PM	#181
JDLAutoDesign Join Date: Jul 2012 Drives: 13 FRS Location: Phx AZ Posts: 1,827 Thanks: 389 Thanked 1,437 Times in 652 Posts Mentioned: 104 Post(s) Tagged: 1 Thread(s)	Coating is for heat only sorry

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