The TDR Heat Shield was designed to help keep your under hood temperatures in check. It is manufactured using heavy-grade industrial aluminum to reflect radiant heat and to balance the conducted heat across its surface. Insulation is 2000 degree rated ceramic wool that helps maintain its shape as you form the TDR Heat Shield around the exhaust manifold or header. The outer surface is an aluminized fiberglass mat that not only looks good, but also adds to the efficiency by dissipating heat, resulting in lower surface temperatures.
Why the Heat Shield is a better option over header wrap: Cool air needs to be around the header, and insulating it with a wrap to hold exhaust heat in makes the header material surface temperatures reach near molten levels. When you wrap the header you trap the heat in the header, but also suffocate the material that needs to breathe to dissipate heat for its own survival. Most header manufacturers will NOT WARRANTY a header which has had a wrap installed on it. We also know that headers have been destroyed after running headers wraps, and these headers were on perfectly tuned engines. If you want a true thermal barrier that will reduce under hood temperatures without damaging your header or voiding its warranty, the TDR Insulated Heat Shield is the obvious choice instead of header wrap.
Works with factory manifolds and all aftermarket headers for all Miatas and MX-5s and is a must for supercharger applications. Creative customers have also used these insulated heat shields on everything from Honda Civics to V8 powered race cars.
Updated in 2013, this heat shield was improved with an additional layer of fiberglass mat and increased in size by about 20% so it works better with the Racing Beat header and the NC cars. Now 1 " wider and 3" longer in size.
MIATA NA/NB 1999-2000
MIATA NA/NB 1990-2005
* FREE SHIPPING
MIATA NA/NB 1990-2005
* FREE SHIPPING
Straight forward fitment. Does the job of a heat shield and is effective. Looks like Jiffy Pop in your engine bay.
After installing a K&N intake, the air intake temperature seemed too high at 160ÃÂ°F (Texas summer, highway speed, 4000 rpm). My first step was to wrap DEI-050503 heat shield around the K&N intake tube. That reduced the heat soak due to hot air from the radiator. Next I installed the heat-shield blanket (very easy on a '99 Miata). These modifications reduced the intake temperature by at least 10ÃÂ°F. After six weeks of summer driving, the average temperature reduction has been about 20ÃÂ°F. In the past it took 15 minutes for under-hood temperatures to rise, now it takes an hour.
Once again, Good-Win comes through with delivery of my order in less than 24 hours. Love that!
This heat shield is a perfect fit for my Miata with a 99-00 JDM block. It took me all of about 15 minutes to install. I must admit I'm not a mechanic by an means, but this was easy-peasy. Two sockets and a torque wrench.
I have an aftermarket intake which crosses over to the hot side, so I grabbed this item to control the intake temps. I felt different parts of the intake after a full session on track, and it was warm but certainly not hot. I feel like that is as good as I could hope for.
Lightning fast shipping, great product, easy install ... happy camper!
I installed this blanket on a GWR header. The material seems to be very good quality. Installation was straight forward, the fit was very good. I used it during a weekend of racing at WSIR. The under hood temp was definitely lower and after a 20 minute session I was able to touch the blanket with my hands.
I bought a 99 California car with the exhaust heat shield missing. The manifold with the second catalytic converter attached got so hot I could hardly pull the dipstick. The updated heat shield blanket fits great, stays cool and looks cool!
Since installing header several years ago, the under hood temp. was a bit much. Installed Fast Forward blower kit a few months ago. Getting lazy and looking for an easy way to lower under hood temp bought this blanket. It has dramatically reduced the temp and installed in about 10 min. Price was the best I could find. Thanks.