OVERTAKE New Product Launch - H6 Gasket Sets | Subaru EZ30, EZ36, EG33

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By Overtake GeneralJul 23, 2026

OVERTAKE New Product Launch - H6 Gasket Sets | Subaru EZ30, EZ36, EG33

Subaru stopped making the gaskets your flat-six needs. We did not. Today OVERTAKE launches three new gasket sets for the six-cylinder Subarus: an Exhaust Manifold to Head Gasket Set for the EZ30 and EZ36, and both an Exhaust Manifold to Head Gasket Set and an Intake Manifold to Engine Gasket Set for the EG33 that powered the SVX. All three replace OEM parts Subaru has discontinued, which means H6 owners have been stuck choosing between used gaskets and thin stamped aftermarket pieces that fail early. Between them, the new sets cover the Subaru Outback - 2004 through 2009, Subaru Legacy - 2008 through 2019, Subaru Tribeca - 2006 through 2014, and Subaru SVX - 1992 through 1997, plus H6 and EG33 swap builds.

The exhaust sets use the same multi-layer steel construction with a stainless steel fire ring that the OVERTAKE exhaust gaskets are known for, run 22% thicker than the OEM originals they replace, and ship as pairs so both heads get done in one job. They join a line that now spans 28 gaskets across the EJ, FA, FB, EZ, and EG engine families. The new launches lead this post, and then we will get into why a performance parts company makes gaskets at all, and what the full line covers.

What Just Launched for the Six-Cylinder Subarus?

OVERTAKE Exhaust Manifold to Head Gasket Set - Subaru EZ30 / EZ36 Engines

Exhaust Manifold to Head Gasket Set for the EZ30 and EZ36

If you run an EZ30 or EZ36, you have probably found out the hard way that Subaru no longer sells the exhaust manifold to head gasket (the discontinued part number is 44011AG040). What filled the gap is mostly thin, stamped material that is not fully stainless, which is exactly where the dreaded waffle-gasket blowout comes from. The new set seals the manifold to the head with multi-layer steel and a stainless fire ring at the combustion seal, runs 22% thicker than the OEM original, and drops in with no modification. The new EZ30 and EZ36 gasket set is live here and ships as a pair so both cylinder heads get fresh seals at once. It covers the 2004-2009 Outback through the later Legacy and Tribeca, and carries over to H6 swap builds where a gasket that can take abuse matters even more.

OVERTAKE Exhaust Manifold to Head Gasket Set - Subaru EG33 Engines

Exhaust Manifold to Head Gasket Set for the EG33

SVX owners already know the drill: parts for the EG33 get harder to find every year, and the exhaust manifold gasket (discontinued OEM part 14038AA010) is one of the hottest, highest-pressure seals on the engine. The OVERTAKE Exhaust Manifold to Head Gasket Set for the EG33 is the same multi-layer stainless construction as the EZ set, built specifically for the 1992-1997 SVX and EG33 swap applications, and kept in stock so a hard-to-find part stays findable.

Intake Manifold to Engine Gasket Set for the EG33

The third launch handles the other side of the engine. Any time the intake comes off an SVX, the lower intake manifold gaskets should be replaced rather than reused, because a gasket that has been torqued down and heat-cycled is a leak waiting to happen. Subaru discontinued the original (14035AA140), so the OVERTAKE Intake Manifold to Engine Gasket Set is a heavier-duty replacement that ships as a set of two, enough to reseal both sides in one go.

Why Does a Performance Parts Company Make Gaskets?

Because the gasket is usually where the leak is. Ask anyone who has chased an exhaust tick on a Subaru: the forums are full of threads about blown manifold gaskets, disintegrated donut gaskets, and re-torqued joints that start leaking again a few heat cycles later. A lot of aftermarket gaskets fail because they are simply the wrong material for the job, thin stamped pieces that wear out early and eventually let go entirely. That is the waffle-gasket blowout, and most of us have lived it.

The OVERTAKE approach is to build every gasket in the material the joint actually calls for. The hot, high-pressure exhaust joints get multi-layer steel construction with stainless steel fire rings. The joints that see sustained abuse get 2X Thick versions, double the thickness of the standard OEM gasket. Other applications get fiber reinforced graphite where that is the right seal for the job. There is no single magic material, just the appropriate and prudent one for each application, and every one of them is chosen with the same two targets: performance and longevity. These are gaskets designed to hold up to tuned cars, because that is what our customers drive. And where Subaru has walked away from a part entirely, like the three H6 gaskets launching today, we build the replacement and keep it on the shelf.

What Does the Full OVERTAKE Gasket Line Cover?

With the three new sets, the line covers 28 gaskets from the throttle body to the catback flange. Everything lives in the OVERTAKE Gaskets collection, and here is the map, grouped by where the gasket lives on the car.

EJ Turbo Exhaust Path, Manifold to Catback

The EJ turbo cars (WRX, STI, Legacy GT, Forester XT, Outback XT) route exhaust through more gasketed joints than almost anything else on the road, and OVERTAKE covers every one of them:

FA Turbo Cars, 2015 and Up

The FA20 and FA24 turbo platforms simplified the exhaust path but the joints that remain run just as hot:

Complete Exhaust Gasket Sets

Doing headers, an up pipe, or a full turbo-back in one weekend? The sets bundle every gasket the job needs so nothing gets reused out of convenience:

Intake and Intercooler Side

Sealing is not just an exhaust problem. The intake path has its own set of joints that should get fresh gaskets any time they come apart:

Which Gaskets Fit Your Subaru?

The fastest answer is the fitment tab on each product page, but the short version by engine family: EJ turbo cars are covered joint by joint from the heads back. FA20 and FA24 cars get the manifold-to-turbo and turbo-to-J-pipe joints plus complete sets. The 2013-2026 BRZ, FRS, and 86 twins get a complete set. FB-equipped cars share the manifold-to-head gasket with the EJ and FA listing. And as of today, the EZ30, EZ36, and EG33 six-cylinders get manifold-to-head coverage, with the EG33 also getting the intake side. Confirmed fitment for the three new sets:

Subaru Outback - 2004 through 2009 (EZ30/EZ36 exhaust set)
Subaru Legacy - 2008 through 2019 (EZ30/EZ36 exhaust set)
Subaru Tribeca - 2006 through 2014 (EZ30/EZ36 exhaust set)
Subaru SVX - 1992 through 1997 (both EG33 sets)
H6 and EG33 swap applications (all three sets)

Grab the Gaskets Before the Leak Finds You

The three new H6 sets are live now, and the rest of the line is in stock and ships same day when you order by 2pm CST. Browse the full OVERTAKE gasket lineup here and be done with leaks.

Frequently Asked Questions

Will the new H6 gaskets fit my engine swap?

Yes. The EZ30/EZ36 exhaust set carries over to H6 swap builds, and both EG33 sets fit EG33 swap applications. If the engine is one of these three, the gasket seals the same joint regardless of what chassis the engine ended up in.

What replaces the discontinued Subaru gasket 44011AG040?

The OVERTAKE Exhaust Manifold to Head Gasket Set for the EZ30 and EZ36 is a direct replacement for discontinued OEM part 44011AG040, with no modification required. On the EG33 side, the OVERTAKE exhaust set replaces discontinued part 14038AA010 and the intake set replaces discontinued part 14035AA140.

What is a waffle-gasket blowout?

It is what happens when a thin, stamped gasket that is not fully stainless gives up under heat and exhaust pressure. The material wears, the seal lets go, and you get the tick, the smell, and the redo. A gasket built from the right material for the joint, like multi-layer steel with a stainless fire ring on the hot side, is the fix, because the sealing surface is built to survive the heat cycling that kills the cheap stuff.

Should I reuse a gasket that has already been torqued down?

No. Once a gasket has been torqued and heat-cycled, reusing it is asking for a leak. Any time a manifold, up pipe, or intake comes off, going back together with fresh gaskets is the cheap insurance that keeps you from doing the job twice.

Are OVERTAKE gaskets built for tuned cars?

That is the design brief. Every gasket in the line is made from the material appropriate for its application, targeted at performance and longevity, and the exhaust gaskets in particular are engineered to hold clamping load and take the pressure a tuned car makes. The 2X Thick versions exist specifically for setups that put sustained abuse through the exhaust.