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J-B Weld

Q: Does it work on Motorcycle pipe

Probably would , but would not look very nice

Q: Will this bond to fiberglass pipe on boat exhaust?

I imagine it will. It is basically just fiberglass cloth in an epoxy. PREP IS KEY. Scuff and clean the surface very carefully. I will also add that I had an issue with one of JBWelds products and their customer service was top notch! I got all my application questions answered quickly. It wouldn’t hurt to shoot them an email. They may have a product designed specifically for your application.

Q: need to seal my 1974 VW bug pipes but must be able to break seal to remove as they cover my valves. Can this sea be broken to pull pipes apart? Thx

air cooled guy myself. You will need to cut the wrap with a razor blade to remove. May be better to get an extractor exhaust that lets you remove the valve covers without taking the exhaust down

Q: What can I do if I didn't receive my entire order?

It all comes in one sealed container. Narrow piece of Foil tape may have dropped out when you opened. To be honest, you don’t need it. Plastic gloves and pouch with soaked fiberglass wrap. One box only, so nothing is missing from this kit.

Product ID: 348143777

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🔥1100°F heat resistance

⏱️20 min fast cure with heat

🛠️high-strength fiberglass resin

Frequently Bought Together

J-B Weld ExhaustWeld 2" x 72" Repair Wrap, White

J-B Weld MufflerSeal Muffler Cement Plastic Tube 12 oz., Model Number: 37912

J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz

Description

🔥 Wrap it. Fix it. Drive on. No excuses. 🚗

NO HEAT NO PROBLEM - Cures fully in 2 hours even without heat—flexible repair options for every situation.
COMPACT LIGHTWEIGHT - At under 4 ounces, it’s easy to store and handle without bulk or fuss.
RAPID CURE TECHNOLOGY - Sets in just 20 minutes with heat, so you’re back on the road faster than ever.
VERSATILE APPLICATION - Perfect for manifolds, catalytic converters, mufflers, tailpipes—one wrap to fix them all.
UNMATCHED HEAT ENDURANCE - Withstands scorching temperatures up to 1100°F—built for the hottest exhaust repairs.

J-B Weld ExhaustWeld is a high-strength fiberglass wrap impregnated with a specially formulated resin designed for high-temperature exhaust system repairs. It resists heat up to 1100°F once fully cured, cures rapidly within 20 minutes with heat or sets in 20 minutes and cures in 2 hours without heat, making it ideal for manifolds, catalytic converters, mufflers, and tailpipes.

Specifications

Manufacturer	J-B Weld
Brand	J-B Weld
Model	J-B Weld ExhaustWeld
Item Weight	3.87 ounces
Product Dimensions	1.5 x 4.94 x 7.87 inches
Item model number	38572
Manufacturer Part Number	38572
OEM Part Number	38572SRP

Have a Question? See What Others Asked

Does it work on Motorcycle pipe

Will this bond to fiberglass pipe on boat exhaust?

need to seal my 1974 VW bug pipes but must be able to break seal to remove as they cover my valves. Can this sea be broken to pull pipes apart? Thx

What can I do if I didn't receive my entire order?

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