Exhaust Flange Gasket GMG093 – 2 Bolt 63mm 2.50" ID 105mm Centres

GMG093 exhaust flange gasket is an OE-quality universal 2-bolt exhaust gasket with a 63mm (2.50") centre opening and 105mm bolt-hole centres.

Manufactured from a high-temperature gasket composite with an integrated steel fire ring, GMG093 provides a durable seal between compatible exhaust flanges and helps prevent exhaust gas leaks under the high temperatures and repeated thermal cycling experienced in an exhaust system.

This gasket can be used with factory replacement exhaust components, catalytic converters, mufflers, headers, extractors and custom exhaust systems where the flange dimensions match.

Key Features

• OE-quality replacement exhaust gasket
• 2-bolt flange design
• 63mm (2.50") centre opening
• 105mm bolt-hole centres
• 1.8mm thickness
• Integrated steel fire ring
• High-temperature gasket composite
• Suitable for factory and aftermarket exhaust applications
• Suitable for custom exhaust fabrication where dimensions match
• Bulk quantities available

Gasket Specifications

• Part Number: GMG093
• Type: 2-Bolt Exhaust Flange Gasket
• Centre Hole: 63mm (2.50")
• Bolt Hole Centres: 105mm
• Thickness: 1.8mm
• Fire Ring: Yes
• Material: High-temperature gasket composite with steel fire ring
• Application: Universal where dimensions match

Applications

GMG093 is suitable for exhaust systems using a compatible 2-bolt flange with a 63mm (2.50") centre opening and 105mm bolt-hole centres.

Possible applications include:

• Factory replacement exhaust systems
• Performance exhaust systems
• Headers and extractors
• Catalytic converters
• Centre and rear muffler assemblies
• Intermediate exhaust pipes
• Custom exhaust fabrication

Fitment Notes

What's Included

• 1 x GMG093 2-bolt exhaust flange gasket

Installation Tips

• Remove the old gasket and clean both flange surfaces before installation.
• Check both exhaust flanges for distortion, corrosion or damage.
• Confirm the 63mm (2.50") centre opening provides adequate clearance for the exhaust pipe.
• Confirm the mounting holes align with the 105mm bolt centres.
• Tighten flange fasteners progressively and evenly.
• Replace damaged or badly corroded exhaust bolts, studs and nuts where required.
• For best results, install a new gasket whenever the exhaust flange joint is dismantled.

Recommended With

• Compatible 2-bolt exhaust flange plates
• Exhaust sealant where appropriate
• Replacement exhaust bolts and nuts where required
• Additional GMG093 gaskets for workshop or bulk requirements

Frequently Asked Questions

What size is the GMG093 gasket?
GMG093 has a 63mm (2.50") centre hole, 105mm bolt-hole centres and 1.8mm thickness.

Is GMG093 a 2-bolt gasket?
Yes. It is designed for compatible 2-bolt exhaust flanges.

Does this gasket have a fire ring?
Yes. GMG093 incorporates an integrated steel fire ring around the exhaust opening to provide a durable high-temperature seal.

Is this a universal exhaust gasket?
Yes. GMG093 can be used with compatible factory, aftermarket and custom exhaust systems where the 63mm (2.50") centre hole and 105mm bolt-hole centres match.

Can I use this gasket with headers or a performance exhaust?
Yes, provided the exhaust flange dimensions match. Always measure the flange before ordering.

Can GMG093 be used with a catalytic converter?
Yes. GMG093 can be used on compatible catalytic converter flange connections where the 63mm centre opening and 105mm bolt centres match.

Are bulk quantities available?
Yes. Bulk orders are available. Please contact us for quantity pricing.

Can I pick up from the store?
Yes. Pick up is available but must be pre-arranged before collection.

How much is freight?
Regular post without tracking is included. If you require tracking or a faster delivery option, including Express Post, please select your preferred option during the checkout process.

Do you ship to the USA?
Yes. Best Mufflers regularly ships exhaust systems and exhaust parts to customers throughout the United States.

Please note that import duties, tariffs, taxes, and customs clearance fees are not included in the product or shipping price. Once your order is processed and the applicable charges are calculated, we will send you a secure payment link to finalise the import duties and tariff charges before dispatch.

Customer Support

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