20 Best Exhaust Manifold Repair Putty in 2024 Reviews and Buying Guide

1,880 Reviews Scanned

# Preview Product Rating
1 J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz
2 Walker 35958 Muffler/Exhaust Putty Walker 35958 Muffler/Exhaust Putty No ratings yet
3 J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick - 2 oz. , Grey J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick - 2 oz. , Grey
4 Pyro-Putty 2400 Pyro-Putty 2400 No ratings yet
5 J-B Weld ExhaustWeld 2' x 72' Repair Wrap, White J-B Weld ExhaustWeld 2" x 72" Repair Wrap, White
6 Wynn's Exhaust Repair Putty Permanent Seal Repair Exhaust Systems Wynn's Exhaust Repair Putty Permanent Seal Repair Exhaust Systems
7 Visbella 75g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive... Visbella 75g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive...
8 ADHESIVE EXTREMEHEAT 3OZ ADHESIVE EXTREMEHEAT 3OZ
9 Blue Magic 18003 High Temperature Metal Repair, 3 oz. Blue Magic 18003 High Temperature Metal Repair, 3 oz.
10 Exhaust Manifold Screw Repair Kit Exhaust Manifold Leak Rebuilt Tools Stud Clamp Kit Compatible with... Exhaust Manifold Screw Repair Kit Exhaust Manifold Leak Rebuilt Tools Stud Clamp Kit Compatible... No ratings yet
11 Permatex 80335 Muffler and Tailpipe Sealer, 3 oz., Plastic, 1 Count (Pack of 1) Permatex 80335 Muffler and Tailpipe Sealer, 3 oz., Plastic, 1 Count (Pack of 1)
12 Visbella 150g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive... Visbella 150g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack...
13 Dorman 23755 Front Exhaust Flange Repair Kit Compatible with Select Ford/Lincoln Models (OE FIX) Dorman 23755 Front Exhaust Flange Repair Kit Compatible with Select Ford/Lincoln Models (OE FIX)
14 J-B Weld FiberWeld 2' x 36' Automoitve Repair Cast, Black (38237) J-B Weld FiberWeld 2" x 36" Automoitve Repair Cast, Black (38237)
15 Cast Iron Exhaust Manifold Repair Kit Mixed Diameter Cast Iron Exhaust Manifold Repair Kit Mixed Diameter No ratings yet
16 JB Weld 8297 -DEU HighHeat Heat-Resistant Epoxy Metal Putty for All High Temperature Work JB Weld 8297 -DEU HighHeat Heat-Resistant Epoxy Metal Putty for All High Temperature Work
17 J-B Weld MufflerSeal Muffler Cement Plastic Tube 12 oz., Model Number: 37912 J-B Weld MufflerSeal Muffler Cement Plastic Tube 12 oz., Model Number: 37912
18 Exhaust Manifold Bolt Repair Kit Driver Front/Passenger Rear Compatible with 1999 & Newer GM Trucks... Exhaust Manifold Bolt Repair Kit Driver Front/Passenger Rear Compatible with 1999 & Newer GM...
19 3mirrors LS Engine Exhaust Manifold Bolt Repair Kit Compatible with 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3... 3mirrors LS Engine Exhaust Manifold Bolt Repair Kit Compatible with 4.8 5.3 5.7 6.0 6.2 LS1 LS2...
20 Permatex 80333 Muffler and Tailpipe Putty, 4 oz. Permatex 80333 Muffler and Tailpipe Putty, 4 oz.

Bestseller No. 1
J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz
  • Jb Weld Extreme Heat: Is Formulated For Repairs To Iron, Steel And Metal In High Temperature Environments 1000°F / 537°C. Non-Flammable, It Contains...
  • The Original Cold Weld: Jb Weld Was Developed As An Alternative To Torch Welding. Designed To Be Effective In Extreme Environments, Once It Sets, It...
  • Simple To Use: When Fully Cured, This Metallic Compound Can Be Drilled, Machined Or Sanded. It Is Great For Repairing Cracks, Small Gaps, Seam...
  • Versatile & Dependable: Ideal For Repair Work On : Exhaust Manifolds, Pipe Connections, Mufflers, Catalytic Converters, Outdoor Grills, Fire Boxes,...
Bestseller No. 2
Walker 35958 Muffler/Exhaust Putty
  • COMPATIBILITY – Universal fit, check product dimensions
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model,...
  • Effective for sealing exhaust joints subject to elevated temperatures
  • Ideal for "out-of-round" muffler and pipe connections
  • Sets up in minutes
SaleBestseller No. 3
J-B Weld 8297 HighHeat 500 Degree Epoxy Putty Stick - 2 oz. , Grey
  • 3 times stronger at high temperatures
  • Withstands continuous heat up to 450 degrees Fahrenheit, and intermittent heat up to 500 degrees
  • Strength of 800 PSI at room temperature and 600 PSI at 400 degrees Fahrenheit
  • Perfect for tail pipes, mufflers, machinery, engine blocks, and exhaust manifolds
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions
Bestseller No. 4
Pyro-Putty 2400
  • Metal Filled Repair Putty
  • Repairs Manifolds, Headers, Exhaust Pipes, Mufflers & More
  • Withstands 2000 deg F
  • Can be applied up to 3/8" thick. Air sets in 2-4 hours.
  • Heat cure at 200F for 2-4 hours.
Bestseller No. 5
J-B Weld ExhaustWeld 2" x 72" Repair Wrap, White
  • J-B Weld Exhaustweld: A High Strength Fiberglass Wrap, Impregnated With A Specially Formulated Resin For High Temperature Resistant Repairs....
  • Cure And Set Time: Exhaustweld Can Cure With Or Without Heat! It Will Cure Within 20 Minutes If Heat Is Applied To It With Either A Heat Gun Or By...
  • High Heat Resistance: Once Fully Cured, J-B Weld Exhaustweld Exhaust System Repair Wrap Has A Temperature Resistance Of 1100°F, Allowing It To Be...
  • Applications: Manifolds, Catalytic Converters, Mufflers, Tailpipes And More
Bestseller No. 6
Wynn's Exhaust Repair Putty Permanent Seal Repair Exhaust Systems
  • Permanent Seal Repair: Wynn's Exhaust Repair Putty creates a permanent seal to repair damaged exhaust systems.
  • Waterproof Material: Made from waterproof putty that resists water damage and corrosion.
  • Easy Application: Simply apply the putty to the damaged area and press to seal.
  • Durable and Long Lasting: The putty forms a strong, permanent seal that lasts for years.
  • Suitable for All Exhaust Systems: Can be used on any type of exhaust system to repair leaks and damage.
SaleBestseller No. 7
Visbella 75g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive...
  • 【PERFECT SEAL AGAINST NOXIOUS FUMES】Visbella Exhaust Cement is a thick and non-slumping paste type repair material. It will set when heated,...
  • 【HIGH TEMP UP TO 2012℉】Visbella Exhaust Cement sets hard with heat and can withstand temperatures up to 2012℉. It cures by evaporation of...
  • 【MULTIPLE APPLICATIONS】Specialty formulated for the assembly of all joint of exhaust system, including mufflers, tailpipes, catalytic converters,...
  • 【EASY TO REPAIR AND COST-EFFICIENT】Simple operation, long maintenance time. No experience required. No special skills needed. Store in a cool, dry...
  • 【ENVIRONMENTLY FRIENDLY】Repair the exhaust pipe to avoid air pollution, noise pollution, extend the life of the auto, and pass the annual vehicles...
Bestseller No. 8
ADHESIVE EXTREMEHEAT 3OZ
  • JB WELD EXTREME HEAT: Is formulated for repairs to iron, steel and metal in high temperature environments 1000°F / 538°C. Non-flammable, it contains...
  • THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. Designed to be effective in extreme environments, once it sets, it...
  • SIMPLE TO USE: When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam...
  • VERSATILE & DEPENDABLE: Ideal for repair work on : exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes,...
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the...
Bestseller No. 9
Blue Magic 18003 High Temperature Metal Repair, 3 oz.
  • Welds cracks and holes in iron and steel
  • Withstands temperatures to 2400 degrees Fahrenheit
  • Strength increases with heat
  • Fills cracks, holes and pits
  • Great for boilers, stoves, barbeques, furnaces, heaters
Bestseller No. 10
Exhaust Manifold Screw Repair Kit Exhaust Manifold Leak Rebuilt Tools Stud Clamp Kit Compatible with...
  • Fix exhaust leaks with ease: The exhaust manifold repair clamp is specially designed to fix exhaust leaks caused by broken or rusted studs. Say...
  • Compatible with V8 V10 trucks: Our exhaust manifold clamp repair kit is a perfect replacement for stud bolts on the exhaust manifold of V8 V10 trucks....
  • Durable and long-lasting: Made of high-quality iron material, our exhaust manifold clamp repair kit is built to last. It's not easy to damage,...
  • Easy to install: With our exhaust manifold repair kit, installing the clamps is a breeze. You don't need any special tools or skills to get the job...
  • Kit includes everything you need: This exhaust manifold repair kit includes 2 clamps, allowing you to repair 2 studs (one manifold). If you need to...
Bestseller No. 11
Permatex 80335 Muffler and Tailpipe Sealer, 3 oz., Plastic, 1 Count (Pack of 1)
  • Seals holes and leaks in mufflers, tailpipes and around joints
  • Makes new installations more secure
  • Waterproof, non-shrinking paste formula; shock resistant
  • Temperature Range: up to 2000°F (1000°C)
  • Suggested Applications: Mufflers, tailpipes, joints, and catalytic converters; exhaust system must be cool before applying
SaleBestseller No. 12
Visbella 150g Auto Vehicle Exhaust System Sealant, Non-Slumping Professional Repair Crack Adhesive...
  • 【PERFECT SEAL AGAINST NOXIOUS FUMES】Visbella Exhaust Cement is a thick and non-slumping paste type repair material. It will set when heated,...
  • 【HIGH TEMP UP TO 2012℉】Visbella Exhaust Cement sets hard with heat and can withstand temperatures up to 2012℉. It cures by evaporation of...
  • 【MULTIPLE APPLICATIONS】Specialty formulated for the assembly of all joint of exhaust system, including mufflers, tailpipes, catalytic converters,...
  • 【EASY TO REPAIR AND COST-EFFICIENT】Simple operation, long maintenance time. No experience required. No special skills needed. Store in a cool, dry...
  • 【ENVIRONMENTLY FRIENDLY】Repair the exhaust pipe to avoid air pollution, noise pollution, extend the life of the auto, and pass the annual vehicles...
Bestseller No. 13
Dorman 23755 Front Exhaust Flange Repair Kit Compatible with Select Ford/Lincoln Models (OE FIX)
  • Simplified repair - this Dorman OE FIX exhaust flange repair kit offers a fast, effective way to reconnect the catalytic converter and manifold...
  • Innovative design - the brackets feature a unique contoured shape for maximum contact and hold on the manifold exhaust flange, and are engineered for...
  • Complete fix - this time-saving kit includes two corrosion-resistant stainless steel brackets and stainless steel nuts for a complete, reliable repair
  • Simplified repair - this exhaust flange repair kit offers a fast, effective way to reconnect the catalytic converter and manifold exhaust flange...
SaleBestseller No. 14
J-B Weld FiberWeld 2" x 36" Automoitve Repair Cast, Black (38237)
  • FIBERWELD AUTOMOTIVE REPAIR CAST: A high-strength fiberglass wrap, impregnated with a specially-formulated resin for automotive repairs. When...
  • SOAK IT, WRAP IT, DONE: Once the wrap is dipped in water for 5-7 seconds, FiberWeld Automotive Repair Cast has a working time of about 5 minutes and a...
  • PRODUCT FEATURES AND STRENGTH: Once fully cured, J-B Weld FiberWeld Automotive Repair Cast has a temperature resistance of 400°F, holds water...
  • AUTOMOTIVE APPLICATIONS: Radiator & heater hoses, tailpipes & mufflers, oil & transmission lines, vacuum lines, outside mirrors & roof racks, and RV &...
  • EVERYTHING YOU NEED: The kit includes a pair of gloves and a 2" x 24" securing bandage!
Bestseller No. 15
Cast Iron Exhaust Manifold Repair Kit Mixed Diameter
  • Contains 4 rods total: 1 rod 77 3/32", 1 rod 72 3/32", 1 rod 77 1/8", 1 rod 72 1/8"
  • No special heating or cooling required
  • Start with 72 electrode, then finish with 77 electrode
  • If you can reach the crack, no need to disassemble parts
SaleBestseller No. 16
JB Weld 8297 -DEU HighHeat Heat-Resistant Epoxy Metal Putty for All High Temperature Work
  • Temperature durable metal putty. Withstands continuous heat up to 235 °C and tip effects of 260 °C
  • Suitable for exhaust manifolds, exhaust pipes, Silencer, engine, blocks and all your high temperature needs.
SaleBestseller No. 17
J-B Weld MufflerSeal Muffler Cement Plastic Tube 12 oz., Model Number: 37912
  • J-B Weld Muffler Seal: MufflerSeal is an iron reinforced paste designed to seal mufflers, pipe joints and exhaust systems. MufflerSeal can resists up...
  • Cure Process: MufflerSeal can cure in two ways: By allowing the product to fully harden after it has been applied which can take up to 24 hours (time...
  • Projects: Mufflers, Pipe Joints and Exhaust Systems.
  • Package Weight: 12.5 ounces
Bestseller No. 18
Exhaust Manifold Bolt Repair Kit Driver Front/Passenger Rear Compatible with 1999 & Newer GM Trucks...
  • ▲ 𝐅𝐈𝐓𝐌𝐄𝐍𝐓- Passenger Side Rearmost Bolt,Driver's Side Frontmost Bolt;For 1999 & Newer GM Trucks & SUV's With a 4.8, 5.3, 6.0 or...
  • ▲ ***PLEASE NOTE ON 2013 AND NEWER 4.8L, 5.3L OR 6.2L ENGINES ONLY, this will fit these motor sizes in years 2013 and newer if the oil dipstick tube...
  • ▲ 𝐇𝐈𝐆𝐇 𝐐𝐔𝐀𝐋𝐈𝐓𝐘 - 100% brand new and high quality, It is easy to install and uses high-quality materials that meet...
  • ▲ 𝐅𝐔𝐍𝐂𝐓𝐈𝐎𝐍 - The Exhaust Manifold Bolt Repair Bracket is to stop exhaust leaks that occur between the exhaust manifold and...
  • ▲ 𝐂𝐔𝐒𝐓𝐎𝐌𝐄𝐑 𝐒𝐄𝐑𝐕𝐈𝐂𝐄 - If you have any questions, please feel free to contact us, we will serve you...
Bestseller No. 19
3mirrors LS Engine Exhaust Manifold Bolt Repair Kit Compatible with 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3...
  • This kit was used to repair Driver's Side Front and Passenger Side Rear. We also have Driver's Side Rear and Passenger Side Front. You can buy them...
  • The Exhaust Manifold Bolt Repair Bracket will repair the exhaust leak and Eliminate rattles without having to remove the cylinder head or drill out...
  • Our products are manufactured from high-quality Steel, and TIG welding for durability and long service time. It is recommended to refer to some online...
  • This LS Engine Exhaust Manifold Bolt Repair Kit is Compatible with L20, L31, L33, L59, L76, L77, L83, L86, L8T, L92, L94, L96, L98, L99, L9H, LC9,...
  • The Kit comes with the necessary blocks, bolts and washers for solid repair. Direct DIY! Buy with confidence! 3mirrors brand is a professional auto...
Bestseller No. 20
Permatex 80333 Muffler and Tailpipe Putty, 4 oz.
  • Permanently repairs holes and leaks in exhaust systems
  • Seals out fumes at temperatures up to 2000F
  • Safe for catalytic converters
  • 2 pouch bonus pack
  • Suggested Applications: Mufflers, tailpipes, joints and catalytic converters
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FAQ:

Q: How to repair a hole in an exhaust manifold?

A: How to Fix a Leak in an Exhaust Manifold. Replace defective gaskets or seals. Use a socket wrench and wrench set to remove the manifold. Inspect the flange where the manifold bolts to the engine. If there was not a gasket when the manifold was removed, this is normal. Remove cracked manifolds and have them repaired, or replace them with a new part.

Q: How do you replace the Bolts in the exhaust manifold?

A: Disconnect the negative battery cable. Ensure the engine is cooled down. Set the parking brake. Use a jack to raise the front of the vehicle and set on jack stands. Use the ratchet and sockets to remove any engine covers or heat shields to gain access to the exhaust manifold bolts.

Q: Should I replace the exhaust manifold?

A: So the best advice for exhaust work: Replace it all. Of course, the meaning of “all” varies with the age and complexity of the car. On a vintage car with no catalytic converter, there’s usually a cast-iron exhaust manifold that lasts the life of the car. There is a manifold for each cylinder head.

Q: How do you repair a cracked exhaust manifold?

A: Visible Cracking. One symptom of a cracked manifold will be a visible crack that you can see on the manifold’s surface. Excess Noise. A cracked manifold will usually make unusual noises of some kind as some of the exhaust gasses are being forced out of the crack instead of out the … Exhaust Odors. … Loss of Performance. …