4" Butt Joint Band Clamp with 304 Stainless Steel
Two 4-inch butt joint band clamps made of polished 304 stainless steel with bolt-tightening hardware.
4-inch stainless steel exhaust butt joint band clamp with bolt-on hardware for secure pipe sealing.
4-inch stainless steel butt joint band clamp with bolt-on hardware and premium finish.
4-inch stainless steel butt joint band clamp for exhaust pipe connection.
Comparison chart showing 4-inch 304 stainless steel butt joint band clamp features versus standard alternatives.
Mechanic installing a 4-inch stainless steel butt joint band clamp on a vehicle exhaust system.
Father and son working on a car engine to represent worry-free operation for 4-inch stainless steel butt joint clamps.
Two 4-inch butt joint band clamps made of polished 304 stainless steel with bolt-tightening hardware.
4-inch stainless steel exhaust butt joint band clamp with bolt-on hardware for secure pipe sealing.
4-inch stainless steel butt joint band clamp with bolt-on hardware and premium finish.
4-inch stainless steel butt joint band clamp for exhaust pipe connection.
Comparison chart showing 4-inch 304 stainless steel butt joint band clamp features versus standard alternatives.
Mechanic installing a 4-inch stainless steel butt joint band clamp on a vehicle exhaust system.
Father and son working on a car engine to represent worry-free operation for 4-inch stainless steel butt joint clamps.
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4" Butt Joint Band Clamp with 304 Stainless Steel

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4" Butt Joint Band Clamp with 304 Stainless Steel

Key Features

  • Material: Band constructed from 304 stainless steel for corrosion resistance.
  • Hardware: Features a zinc-plated M10 bolt, nut, and steel gasket.
  • Design: Connects two pipes of the same diameter in a butt joint configuration.
  • Function: Provides a 360-degree seal to prevent exhaust gas leaks and noise.
  • Installation: A detachable design allows for easy installation and removal without welding.

Replaces / Cross-Reference Part Numbers

  • Universal fit part for 4.0-inch outer diameter exhaust pipe connections.

Compatibility & Fitment

  • Application: Joins two 4.0" (101.6mm) OD pipes.
  • Use Cases: Ideal for connecting mufflers, resonators, downpipes, and other exhaust system components.
  • Note: Specifically designed for butt joints. Not intended for slip-fit or lap-joint connections where one pipe fits inside another.

When to Replace

  • Audible exhaust leaks from a joint, such as hissing or popping sounds.
  • Visible rust, corrosion, or physical damage to the existing clamp.
  • During the replacement or upgrade of exhaust system components.
  • If the current clamp's hardware is stripped, seized, or unable to be tightened securely.

Installation Tips

  • Ensure both pipe ends are clean, aligned, and free of burrs before clamping.
  • Center the clamp directly over the seam between the two pipes.
  • Tighten the fastener evenly to distribute pressure around the entire circumference.
  • Avoid over-tightening the hardware, which can cause component damage.
  • After installation and one heat cycle, check for leaks and re-tighten if necessary.
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  • Choose the right size

    Choose the right size

    It's important to check your Pipe's Diameter carefully (also consider the thickness of the hoses)
  • Qualified with Standards

    Qualified with Standards

    Meet the requirements of CE regarding EN 15048-1:2016 Standard related to 2001/95/EC and GB/T 19001-2016/ISO 9001:2015 Standard
  • Fixing symptoms

    Fixing symptoms

    Cracked/ bent/ rusted Clamp | Leaking gas & liquid | Low Pressure | Systems Malfunctioning (low coolant issues,...), etc
  • Simple installation

    Simple installation

    No welding design makes Exhaust Clamps fast, easy, and accurate to install. Removable and reusable.
304 STAINLESS STEEL

304 STAINLESS STEEL

Built with robust 304 Stainless Steel material to withstand high-pressure loads and other external factors in the long run
ARC CURVED FACE

ARC CURVED FACE

Featuring a full 360° equal distribution of stretching force to prevent deformation and ensure a better clamping grip
#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

Enjoy your life with our part inside!
Manufacturer
‎BlueStars
Part Number
‎4" Exhaust Clamp, Butt Joint
Item Weight
‎1.98 pounds
Package Dimensions
‎5.67 x 4.61 x 3.35 inches
Size
‎4 inch
Color
‎4" Butt Joint Clamp - 2pcs
Style
‎4" Exhaust Clamp Joint
Material
‎Stainless Steel
Included Components
‎NO
Batteries Required?
‎No
Warranty Description
‎Life time

FAQ

A butt joint band clamp provides a 360-degree seal without deforming or crushing the exhaust pipe. Unlike U-bolt clamps, which can crimp the pipe and make future disassembly difficult, this band clamp maintains the structural integrity of the tubing while ensuring a leak-free connection.
Yes. This clamp is constructed from 304 stainless steel, which offers excellent corrosion resistance and the thermal durability required for automotive and heavy-duty exhaust systems.
You will need a standard socket wrench or a cordless impact driver with a 9/16" or 14mm socket (depending on the specific bolt head). We recommend using a small amount of anti-seize lubricant on the bolt threads prior to tightening to ensure the clamp can be easily removed in the future.
The clamp should be tightened until it is snug and no exhaust leaks are detected. Avoid overtightening, as this can stretch the bolt or damage the band. Typically, 40-50 ft-lbs of torque is sufficient to achieve a secure, leak-proof seal.
Yes, provided the threads are kept clean and free of heavy corrosion. If you frequently remove your exhaust system, we recommend cleaning the threads and reapplying anti-seize compound during each reinstallation.