Borla 621106 Universal 3-Inch Stainless Steel X-Pipe

Universal X-Pipe for building custom exhaust systems. X-Pipes increase performance and improve sound. 3" Inlets, 3" Outlets, 21" Overall Length. Clamps NOT included. Use 18330, 1" wide band clamps on notched Inlet connections. Use 18006, 3" wide band clamps on un-notched Outlet connections. Built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. 3" Inlet/ Outlet 21" Overall Length X-Pipe T-304 Stainless Steel.

• Use 18006, 3" wide band clamps on un-notched Outlet connections
• Use 18330, 1" wide band clamps on notched Inlet connections
• X-Pipes increase performance and improve sound
• 7.43" Wide x 3" High x 21" Overall Length
• Clamps NOT included

The Borla 621106 Universal X-Pipe is designed for custom exhaust systems requiring improved exhaust flow, performance, and sound quality. With 3-inch inlets and outlets, this X-pipe helps balance exhaust pulses between the two banks while promoting smoother flow through the system. Its universal configuration makes it suitable for a range of custom automotive exhaust applications when properly matched to the vehicle and surrounding components.

Constructed from premium T-304 stainless steel, the Borla 621106 provides excellent corrosion resistance, durability, and long-term performance compared with lower-grade stainless steel alternatives. Ultra-smooth mandrel bends help maintain consistent internal flow, while precision CNC manufacturing supports accurate alignment and fit during installation. Borla backs its exhaust products with a Million-Mile Warranty, reflecting the company’s focus on quality and durability.

This X-pipe has a 21-inch overall length and uses notched inlet connections and un-notched outlet connections. Clamps are not included. Use Borla 18330 1-inch wide-band clamps on the notched inlet connections and Borla 18006 3-inch wide-band clamps on the un-notched outlet connections. Professional installation is recommended, and custom fabrication may be required for proper fitment. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in all jurisdictions. Verify local emissions requirements before installation.

Product Specifications and Technical Data

• Brand: Borla
• Part Number: 621106
• Product Type: Universal X-pipe
• Inlet Diameter: 3 inches
• Outlet Diameter: 3 inches
• Overall Length: 21 inches
• Material: T-304 stainless steel
• Warranty: Million-Mile Warranty

What's Included

• One Borla 621106 universal X-pipe
• Clamps are not included

Features:

• Performance: X-pipe design helps improve exhaust flow, engine performance, and exhaust sound.
• Premium Construction: Made from durable T-304 stainless steel for excellent corrosion resistance and long-term reliability.
• Smooth Flow: Mandrel-bent tubing helps maintain consistent internal passageways and reduce flow restrictions.
• Precision Fit: CNC-manufactured construction supports accurate alignment for custom exhaust system installation.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1