What is a Multi-Layer Steel (MLS) gasket?

A Multi-Layer Steel gasket uses several layers of steel to create a strong and flexible seal. This design helps it conform to the surfaces it's sealing, even if they aren't perfectly flat, and withstands high temperatures and pressures common in exhaust systems.

Do I need to replace both gaskets if I'm only seeing a leak on one side?

It's generally recommended to replace both exhaust manifold to crossover pipe gaskets at the same time. This ensures a consistent seal across the entire connection and prevents you from having to do the job again soon if the other gasket fails.

What tools are typically needed to replace these gaskets?

You'll likely need basic hand tools such as socket wrenches, extensions, and possibly penetrating oil to loosen any rusted bolts. Always refer to the vehicle's service manual for specific tool requirements and procedures.

BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket for Subaru EJ20/EJ25 (Pair)

Specifications

Brand: BLOX Racing
Part #: BXFL-50014
UPC: BXFL-50014

BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket for Subaru EJ20/EJ25 (Pair)

Name: BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket for Subaru EJ20/EJ25 (Pair)
Brand: BLOX Racing
Price: 12.80 USD
Availability: InStock

$12.80

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BLOX Racing exhaust manifold to crossover pipe MLS gasket for Subaru EJ20/EJ25 engines (pair). Ensures a solid seal for your exhaust system.

Key Features

Fits Subaru EJ20 and EJ25 engines.
Multi-Layer Steel (MLS) construction for durability.
Designed for the exhaust manifold to crossover pipe connection.
Helps prevent exhaust leaks and maintain proper exhaust flow.
Includes a pair of gaskets for both sides if applicable or for a complete manifold set.
Direct fit for a range of Subaru and Saab vehicles including Impreza, Forester, Legacy, Outback, Baja, WRX STI, and 9-2X.

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Product Details

This is a pair of BLOX Racing Multi-Layer Steel (MLS) gaskets designed to seal the connection between your exhaust manifold and the crossover pipe on Subaru EJ20 and EJ25 engines. A good seal here is important to prevent exhaust leaks, which can affect performance and create unwanted noise. These gaskets fit a range of Subaru models like the Impreza, Forester, and Legacy, as well as the Saab 9-2X.

MLS gaskets are well-built for handling the high temperatures and pressures found in exhaust systems. The multiple layers help them conform to slight imperfections on the mating surfaces, creating a more reliable seal compared to single-layer designs. Replacing these gaskets is a common step when working on the exhaust system, especially if you're removing the manifolds for other service or upgrades.