Navigating These Challenging Times Together

First, we want to thank you again for your continued support during this difficult time. Like everyone else we are just trying to take things one day at a time and get through this the best we can. We'd like to share some information with you to help you stay updated with what's going on at Hatchet Hardware in the coming days.

Store Hours:
As an essential business, our shops will continue to stay open. Our teams are working incredibly hard to be here for our communities in any way that we can so please be courteous. You can find our current store hours on the locations page:
Feel free to call the shops ahead to make sure we have whatever you need before coming out and please remember that you can shop online at at any time.

Steps We're Taking:
Our offices are all currently set up to work from home to help stop the spread of COVID-19. At our warehouse and shops, we have increased efforts to disinfect high-touch and high-trafficked areas throughout the day and increased daily cleaning routines. We are also making sure all employees have up-to-date information on how to stay healthy and what preventative measures should be taken and the ability to stay home if they are feeling unwell.

You may experience delays in shipping as we are taking the necessary precautions to protect you and our team. We are still working hard to get in-stock items shipped within 24 hours. Few items may temporarily have longer fulfillment times.

Customer Service:
Our customer service team is working hard to help all customers as quickly as possible. Due to technical difficulties and a higher volume of calls you may experience interruptions. In the event this occurs, please email us at or message our chat here on the site. We apologize for any inconvenience and thank for your continued support and understanding.

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We are most frequently able to share updates on social media so if you aren't already please follow us on Instagram or "like" us on Facebook.
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Permatex 80335 Muffler & Tailpipe Sealer, 3 Oz

Regular price $2.99

Free Shipping over $35

Available for store pickup from Brunswick. 1 in stock.
This item is not available for local pickup.
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Seals holes and leaks in mufflers, tailpipes and around joints. Makes new installations more secure. Resists temperatures to 2000°F (1000°C). Permatex Muffler & Tailpipe Sealer is a specially formulated, thick, non-slumping paste type repair material.


  • Size: 3 Oz
  • Repairs leaks
  • Temperature resistant
  • Catalytic converter safe
  • Carded


  • Waterproof
  • Non-shrinking
  • Spreads easily
  • Resists temperatures to 2000 °F


  • Mufflers
  • Tailpipes
  • Catalytic converters

Typical Curing Performance:

Permatex Muffler & Tailpipe Sealer cures by the evaporation of water and further cures with heat. Full cure will be affected after 24 hours of drying and driving at the maximum operating temperature.

Chemical/Solvent Resistance:

The fully cured product retains effective properties when in contact with water.

General Information:

This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected for use with chlorine or other strong oxidizing materials.

Properties Of Uncured Material:

  • Chemical Type: Sodium silicate
  • Appearance: Grey paste
  • Odor: No odor
  • Specific Gravity: 1.6
  • Viscosity: Medium heavy paste
  • Flash Point: None


2.0 lb