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Back / Exhaust / Remflex Exhaust Gaskets
Remflex Exhaust Gaskets
Remflex Performance Promise

• Seals Warped Flanges:

Remflex exhaust gaskets come in a standard 1/8-inch thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16-inch! 

Won’t Burn Out:

100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F—far exceeding that of any vehicle’s exhaust system temperature! 50% Crush

No Re-Torquing Necessary:

Remflex exhaust gaskets rebound 30%, creating an optimum seal that eliminates the need to re-torque!


About Remflex

GM AssortmentRemflex’s unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees—day after day, week after week, year after year. Now, we’re bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good! Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.


The Science

Remflex gaskets work because they solve the two main problems associated with sealing an exhaust flange: Warping, and gasket failure.

Warped Reality

Mopar AssortmentA common misconception is that, if you spend a lot of money for high-quality headers with thick flanges, leaks will not be an issue. In truth, a thicker flange does help, but it can’t solve the problem of warping altogether. Constant thermal cycling, especially in high performance and/or high-load environments, causes warping of header flanges and cast iron exhaust manifolds--even the exhaust flange of the cylinder head itself.

Once the sealing surface is warped, leaks are imminent—and once there is a leak, pitting of the exhaust port sealing surface usually follows. A new set of average gaskets won’t fix the problem—but Remflex gaskets, with a 50% crush built in—can seal gaps as large as 1/16-inch. And unlike traditional gaskets, they won’t shrink, so they never require re-torquing. 

If you can’t take the heat…

Curiously, the number one cause of exhaust gasket failure is heat—the very thing exhaust gaskets are supposed to withstand. That’s because traditional exhaust gaskets are made of composite materials—blends of natural fibers and synthetic compounds that are bound together using rubber. Simply put, it’s only a matter of time until the extreme temperature in the vehicle’s exhaust system burns the gasket’s composite materials away, resulting in an exhaust leak.

Displaying 1 to 14 of 14 First | Previous    1    Next | Last
Items Per Page
Image Part # Title Qty Price Add
REM - 2002 BB Chevy Header Gaskets-1 7/8" Round Port    $42.99
REM - 2003 BB Chevy Header Gasket 1-13/16”w x 1-7/8"h Square Port    $42.99
REM - 2004 SB Chevy Header Gaksets-1-9/16” Dia. Round Port    $34.99
REM - 2005 SB Chevy Header Gaskets-1-17/32"w x 1-19/32"h Square Port    $34.99
REM - 2006 SB Chevy Header Gaskets-Fits Crate Engine-Stock Port-1-3/8"w x 1-1/2"h Square Port - Matches Stock Head Port    $34.99
REM - 2013 BB Chevy Large Race Port-    $43.99
REM - 2025 SB Chevy Exhaust Manifold Gaskets-1-3/8"w x 1-3/8"h Square Port for Stock Manifold V8 - OHV    $42.99
REM - 2047 BB Chevy Large Race Port -2.40" Dia. Round Port, Large Round Race Port    $43.99
REM - 3003 SB Ford 302-351W 1-1/8" x 1-1/2" Square Port    $33.99
REM - 3010 BB Ford Header Gasket 429-460 1-1/4" x 2-3/32" Oval Port    $39.99
REM - 6002 BB Chrysler Header Gaskets 361-440 1-7/8" x 1-3/8" Square Port    $43.99
REM - 8001 Remflex 2-1/2” Collector Gaskets-3 Bolt Pattern    $15.99
REM - 8002 Remflex 3” Collector Gaskets-3 Bolt Pattern    $16.99
REM - 8003 Remflex 3 1/2” Collector Gaskets-3 Bolt Pattern    $17.99
Displaying 1 to 14 of 14 First | Previous    1    Next | Last
Items Per Page

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