Thermal Tip 5' Dia x 8' Long x 4' Inlet

Thermal R&D 5408 Universal Exhaust Tip 5in Dia x 8in Long x 4in Inlet Polished

The Thermal R&D 5408 is a polished dual-wall flat cut exhaust tip measuring 5 inches in diameter, 8 inches in overall length, with a 4-inch inlet. This universal slip-fit tip is made in Lancaster, California, USA to the quality standards that have made Thermal R&D a trusted name in exhaust systems and accessories. The 5408 features a polished stainless steel outer wall over a separate inner wall, creating the premium dual-wall look that adds a finished, upscale appearance to any exhaust system with a 4-inch tailpipe outlet. The flat cut end presents a clean, symmetrical face.

Key Features

• 5-inch outer diameter x 8-inch length x 4-inch inlet universal exhaust tip
• Polished stainless dual-wall construction for a premium finished appearance
• Flat cut end for a clean, symmetrical look
• Universal slip-fit design for 4-inch exhaust pipes
• SKU 5408 made in Lancaster, CA USA to Thermal R&D standards
• Limited Lifetime Warranty to original vehicle owner (non-transferable)

What's Included

• 1x Thermal R&D 5408 universal exhaust tip

Specifications

Frequently Asked Questions

1. What exhaust pipe size does the 5408 fit? The 5408 is designed for a 4-inch inlet, meaning it fits exhaust tailpipes measuring 4 inches in outer diameter.
2. Is the 5408 a universal fit tip? Yes. The Thermal R&D 5408 is a universal slip-fit tip and is not vehicle-specific. Confirm your exhaust outlet diameter before ordering.
3. How is the 5408 secured to the exhaust pipe? The tip uses a clamp-style slip-fit attachment at the 4-inch inlet. Hardware is typically included or standard exhaust clamps can be used.
4. What is the difference between 5408 and 5408A? The 5408 is a flat cut tip. The 5408A is the same dimensions with an angle cut at the outlet end for a different visual style.
5. Is this tip polished or coated? The 5408 is a polished stainless steel tip with a dual-wall design, providing a bright mirror-like finish.
6. Where is the 5408 manufactured? Thermal R&D designs and builds all products including the 5408 in Lancaster, California, USA.
7. Does the dual-wall construction serve a function? Yes. The dual-wall design insulates the outer visible wall from direct contact with hot exhaust gases, helping maintain the polished appearance and reducing visible heat shimmering around the tip.
8. What warranty covers the 5408? Thermal R&D provides a Limited Lifetime Warranty to the original vehicle owner. The warranty is non-transferable and does not cover commercial or racing use.

Installation Instructions

1. Allow the exhaust system to cool completely before installing. 2. Clean the outer surface of the exhaust tailpipe at the installation point. 3. Slide the 5408 tip over the 4-inch exhaust pipe outlet. 4. Adjust position and angle for desired appearance. 5. Tighten the inlet clamp to secure the tip. 6. Start the vehicle and verify no exhaust leaks at the connection.

Prop 65 Warning: Exhaust system components can expose you to carbon monoxide and other chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.