Xoepoll 3.5-Inch Exhaust Pipe Connector — 17.3in T304 Stainless Mandrel Tubing, Double-Flared Slip-Fit

Xoepoll's 3.5-inch T304 stainless steel exhaust pipe is a 17.3-inch, double-flared, mandrel-bent straight connector built for slip-fit or weld-on installations in automotive and industrial exhaust systems.

This straight tailpipe connector is crafted from premium T304 stainless steel to resist corrosion and endure high temperatures common in exhaust environments. With double-flared ends and dual slotted cuts, the tube provides a flexible, secure slip-fit connection that can be clamped or welded. The 3.5-inch (89mm) outer diameter matches many aftermarket systems and the 17.3-inch length gives plenty of material for trimming, aligning, or splicing into existing exhaust lines.

How does the construction improve longevity and performance?

The pipe uses T304 stainless steel, which offers strong resistance to rust and heat-related degradation compared with mild steel. Mandrel tubing preserves the internal diameter through bends and reduces flow restriction, while the straight section gives a smooth path for exhaust gases. Together these features minimize premature wear and preserve flow dynamics in aftermarket or replacement builds.

• Premium T304 stainless resists corrosion and heat.
• Mandrel-quality tubing keeps a consistent inner diameter.
• Double-flared ends reduce sharp edges and improve seal surface.
• Dual slots allow controlled compression when clamped for a tighter join.

How easy is it to install and fit into different exhaust systems?

The connector is designed to be versatile: the flared slip-fit ends accept common 3.5" OD pipes and the slotted cuts permit secure clamping and small adjustments during installation. It works with clamp-on or weld-on methods—clamp installation is faster while welding gives a permanent, leak-resistant bond. Professionals and experienced DIYers will find the 17.3" length convenient for trimming and customizing to fit alignment and clearance needs.

• Slip-fit flared ends for quick clamp-on joins.
• Slotted ends compress for a tighter clamp seal.
• Generous 17.3" length for cutting and alignment adjustments.
• Compatible with weld-on or clamp-on installation techniques.

Will this pipe work for my vehicle or project?

It’s a general-purpose 3.5" OD exhaust connector suited to many cars, trucks, SUVs, off-road rigs, and custom builds. Before buying, measure the outer diameter of your existing pipe to confirm a 3.5" match and verify the length fits your routing needs. For complex systems or tight clearances, professional confirmation or trial fitting is recommended.

• Intended for exhaust repairs, extensions, and custom builds.
• Best when the existing pipe OD measures 3.5" (89 mm).
• Useful for cars, light trucks, SUVs, motorcycles, and off-road vehicles.
• Cut-to-length design ideal for welding splices or trimming for fit.

What are the specific design details I should know before cutting or welding?

The straight 17.3" section provides generous material for cutting and reworking; the double-flared ends hide raw edges and offer a surface for clamps or weld beads. The precision slotted cuts allow controlled deformation so clamps compress without causing cracks. Use proper stainless welding practices and stainless-compatible filler to maintain corrosion resistance around weld areas.

• 17.3" straight length for trimming and positioning.
• Double-flared ends protect edges and ease clamp seating.
• Dual-slotted design supports even clamping and alignment.
• Recommended professional welding for permanent joins; clamps for removable setups.

Who this is for: This Xoepoll 3.5" T304 exhaust connector is aimed at mechanics, custom exhaust fabricators, and hands-on vehicle owners who need a durable, adaptable pipe for repairs, extensions, or custom builds. If you value corrosion resistance, a clean slip-fit finish, and extra length for trimming or modifying, this piece provides a practical, long-lasting solution for many aftermarket exhaust projects.