Stainless Works M05H175X Long Tube Header Kit 1-3/4" with Catted X-Pipe Factory Connect

The Stainless Works M05H175X is a complete long tube header kit featuring 1-3/4" primary tubes, a catted X-pipe crossover, and everything needed to bolt onto the factory exhaust system. Built to increase horsepower and torque, this kit delivers improved exhaust scavenging and a more aggressive exhaust tone over the restrictive factory manifolds.

Key Features:

• 304 Stainless Steel Construction — Corrosion-resistant and built for long-term durability, outperforming aluminized or 409 stainless steel alternatives
• 1-3/4" Primary Tubes — Optimized diameter for improved exhaust flow and power gains on the 4.6L V8
• Fully TIG Welded — Precision welds throughout for strength, leak-free seals, and a clean finish
• 3/8" Thick CNC-Cut Flanges — Heavy-duty flanges ensure a solid, warp-resistant seal at the cylinder head
• Smooth Mandrel Bends — No buckling or restrictions; optimizes exhaust flow through every bend
• Smooth Flow Collectors — Engineered collectors promote efficient exhaust scavenging
• Dual 3" High-Flow Catalytic Converters — Reduces back pressure while maintaining emissions-reducing function
• 2-1/2" X-Pipe Crossover — Connects seamlessly to the factory exhaust system; no custom fabrication required
• Factory Connect Design — Bolt-on installation that ties into the OEM exhaust at the factory connection point

What's Included:

• (2) Long tube headers — 1-3/4" primary tubes with smooth flow collectors
• (2) 3" high-flow catalytic converters
• (1) 2-1/2" X-pipe crossover
• (4) 24" O2 sensor extension wires
• Clamps and installation hardware

Stainless Works products are proudly made in Cleveland, Ohio, USA, and are backed by a Limited Lifetime Guarantee on materials and workmanship. Note: This product is intended for race and competition use only and is not legal for use on emissions-controlled street vehicles.