Walker Exhaust 70400 Aluminized Steel Exhaust Y Pipe

The Walker Exhaust 70400 is a direct-fit exhaust Y pipe constructed from aluminized steel for long-lasting durability and resistance to corrosion. Engineered as a reliable OE-style replacement, this pipe restores proper exhaust flow and system integrity when factory pipes have cracked, rusted, or deteriorated.

Walker premium pipes are manufactured using precision benders and are fixture-checked during production to ensure accurate dimensions and a precise fit—minimizing installation time and eliminating guesswork.

Key Features:

• Aluminized Steel Construction – Resists rust and corrosion for extended service life
• Precision Bent Tubing – Manufactured with precision benders for accurate routing and OE-style fit
• Fixture Checked – Each pipe is verified against fixtures to confirm correct dimensions and connection alignment
• OE-Style Connections – Features OE-matching routings, hangers, and connectors for straightforward installation
• 2-Bolt Flanged Connections – Inlet and outlet flanges provide a secure, leak-resistant seal
• 44.5" Overall Length – Direct-fit dimensions match original equipment specifications
• 2.00" Inlet / 2.25" Outlet Diameter – Properly sized for factory exhaust system compatibility

Walker Exhaust is an industry leader in replacement exhaust components, offering engine-to-tailpipe solutions for passenger cars, light trucks, and SUVs. The 70400 Y pipe pairs seamlessly with other Walker components including catalytic converters, mufflers, and clamps for a complete exhaust system repair.