Kooks Headers 2-1/2in Stainless Steel Band Clamp

2.5 Inch Stainless Steel Band Clamp for Reliable Slip Joint Exhaust Connections

The JI-TAS250 is a 2.5 inch T304 stainless steel band clamp for slip joint exhaust connections, providing the hardware to secure and seal 2.5 inch slip joints in performance exhaust systems without welding. In 2.5 inch exhaust systems common on V8 muscle cars, pony cars, and sports cars, the slip joint band clamp is the finishing component at each non welded connection point that determines whether the system stays sealed over years of heat cycling and road vibration. This band clamp is built from T304 stainless to match the quality of the stainless exhaust components it connects, resisting corrosion and maintaining clamp force in the demanding undercarriage environment.

The band clamp design of the JI-TAS250 distributes clamping force evenly around the full pipe circumference, unlike U bolt designs that create high pressure points on opposite sides of the pipe while leaving the remaining circumference relatively unclamped. Even circumferential clamping is critical for a leak free slip joint seal, particularly on 2.5 inch connections where exhaust gas pressure can find a path past an unevenly clamped joint. Order this band clamp for every slip joint in your 2.5 inch exhaust system build to ensure a complete, properly sealed installation from collector to tailpipe.

Key Features

• Designed for 2.5 inch slip joint exhaust connections
• T304 stainless steel construction for corrosion resistance and undercarriage durability
• Band design provides even clamping force around the full 360 degree pipe circumference
• Serviceable connection that can be opened for maintenance without replacing hardware
• Seals slip joints against exhaust gas leaks
• Compatible with any 2.5 inch slip joint exhaust system components

What's Included

• 1 x this band clamp 2.5 inch stainless steel band clamp for slip joint connections

Specifications

Frequently Asked Questions

What is this band clamp used for?
This band clamp is a band clamp that secures and seals 2.5 inch slip joint connections in exhaust systems. It is placed over the overlapping pipe ends at each slip joint and tightened to hold the connection together.

What pipe size does this band clamp fit?
This band clamp is sized for 2.5 inch exhaust pipe slip joints.

Is this band clamp reusable?
Yes. The band clamp can be loosened, the exhaust joint opened for service, and the clamp reinstalled as long as the hardware is not stripped or the band deformed. Always inspect before reusing.

How does a band clamp seal better than a U bolt clamp?
A band clamp wraps fully around the pipe and applies clamping force evenly across the entire circumference. A U bolt applies force at two opposite points only, leaving the top and bottom of the joint with reduced clamping, which creates paths for exhaust gas leaks.

Will this band clamp work with non Kooks exhaust components?
Yes. This band clamp is a universal 2.5 inch band clamp compatible with any manufacturer's 2.5 inch slip joint exhaust components.

How many this band clamp clamps do I need for a complete exhaust?
One clamp is required per slip joint connection. Count the number of slip joints in your 2.5 inch exhaust system and order that quantity.

What is the difference between this band clamp and the JI-TAS300?
This band clamp is for 2.5 inch slip joints and the JI-TAS300 is for 3 inch slip joints. The construction and design are the same, sized for their respective pipe diameters.

Can I use this band clamp at the connection between a cat back exhaust and a mid pipe?
Yes. Any slip joint connection in a 2.5 inch exhaust system can use this band clamp, including mid pipe to muffler, muffler to tailpipe, and mid pipe to cat back connections.

Is this band clamp stainless throughout, including the fastener hardware?
The band is T304 stainless steel. Confirm fastener material with the product specification if full stainless construction is required for your application.

How tight should I tighten this band clamp?
Tighten until the slip joint is fully drawn together and the band cannot be moved on the pipe by hand. Do not overtighten to the point of distorting the pipe wall. Re check tightness after the first heat cycle.

Installation Instructions

1. Slide one pipe end over or into the other to create the 2.5 inch slip joint with adequate pipe overlap.
2. Slide this band clamp band clamp over the outer pipe and position it centered over the overlapping section.
3. Hand thread the clamp hardware to draw the band snug around the pipe before applying tool torque.
4. Tighten the clamp with a wrench until the joint is fully compressed and the clamp is firm.
5. Avoid overtightening, which can distort the pipe or strip the clamp threads.
6. Start the engine and inspect for exhaust leaks at the slip joint.
7. Re tighten after the first heat cycle if any seepage is detected.

Prop 65 Warning

WARNING: This product can expose you to chemicals including Chromium and Nickel, which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information go to www.P65Warnings.ca.gov.