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Home > 4‘’ Turbo Downpipe Exhaust For 2015-2019 Ford 6.7L Powerstroke F250 F350 F450 F550 | SPELAB
Assembled 4-inch catless turbo downpipe for the 2015-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke, showing the 3-bolt flange, V-band clamp and O2 sensor bung in 304 stainless.
Two-piece 4-inch downpipe for 2015-2019 Ford 6.7L Powerstroke F250 Super Duty separated into front mandrel-bend section, rear elbow and V-band clamp, all TIG-welded 304 stainless.
Disassembled 4-inch catless downpipe kit for the 2015-2019 Ford F350 F450 F550 6.7L Powerstroke, with slotted V-band tail, rear O2-bung elbow and stainless clamp.
Detail collage of a 4-inch catless downpipe for the 2015-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke, showing the V-band clamp, mandrel-bent pipe and welded O2 sensor bung.
Close-up views of a 4-inch catless downpipe for the 2015-2019 Ford F250 F350 6.7L Powerstroke, highlighting the slotted V-band tail end and the bolt-on 3-bolt turbo flange.
Rear elbow section of a 4-inch downpipe for 2015-2019 Ford Super Duty 6.7L Powerstroke, with machined V-band flange face and O2 sensor bung tab in 304 stainless.
4-inch catless downpipe for 2015-2019 Ford F250 F350 6.7L Powerstroke bundled with a black delete kit of AN fittings, gaskets, clamps and hose for a full Super Duty exhaust setup.
Downpipe-and-delete bundle: 4-inch catless turbo downpipe for the 2015-2019 Ford 6.7L Powerstroke F350 F450 paired with red and blue anodized fittings, O2 spacers and hose.
4-inch stainless downpipe for 2015-2019 Ford F250 F350 F450 F550 6.7L Powerstroke shown with a black hardware delete kit including braided lines, plates, clamps and zip ties.
Complete 4-inch catless downpipe for the 2015-2019 Ford Super Duty 6.7L Powerstroke with a black delete kit of plates, O2 bungs, hose and mounting hardware for easy install.
Assembled 4-inch catless turbo downpipe for the 2015-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke, showing the 3-bolt flange, V-band clamp and O2 sensor bung in 304 stainless.
Two-piece 4-inch downpipe for 2015-2019 Ford 6.7L Powerstroke F250 Super Duty separated into front mandrel-bend section, rear elbow and V-band clamp, all TIG-welded 304 stainless.
Disassembled 4-inch catless downpipe kit for the 2015-2019 Ford F350 F450 F550 6.7L Powerstroke, with slotted V-band tail, rear O2-bung elbow and stainless clamp.
Detail collage of a 4-inch catless downpipe for the 2015-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke, showing the V-band clamp, mandrel-bent pipe and welded O2 sensor bung.
Close-up views of a 4-inch catless downpipe for the 2015-2019 Ford F250 F350 6.7L Powerstroke, highlighting the slotted V-band tail end and the bolt-on 3-bolt turbo flange.
Rear elbow section of a 4-inch downpipe for 2015-2019 Ford Super Duty 6.7L Powerstroke, with machined V-band flange face and O2 sensor bung tab in 304 stainless.
4-inch catless downpipe for 2015-2019 Ford F250 F350 6.7L Powerstroke bundled with a black delete kit of AN fittings, gaskets, clamps and hose for a full Super Duty exhaust setup.
Downpipe-and-delete bundle: 4-inch catless turbo downpipe for the 2015-2019 Ford 6.7L Powerstroke F350 F450 paired with red and blue anodized fittings, O2 spacers and hose.
4-inch stainless downpipe for 2015-2019 Ford F250 F350 F450 F550 6.7L Powerstroke shown with a black hardware delete kit including braided lines, plates, clamps and zip ties.
Complete 4-inch catless downpipe for the 2015-2019 Ford Super Duty 6.7L Powerstroke with a black delete kit of plates, O2 bungs, hose and mounting hardware for easy install.

4‘’ Turbo Downpipe Exhaust For 2015-2019 Ford 6.7L Powerstroke F250 F350 F450 F550 | SPELAB

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Description Fitment Installation Guide & FAQ Shipping & Returns

Experience a significant boost in performance with our 4" High Flow, 2-Piece Downpipe. Crafted from high-quality 304 Stainless Steel, it not only enhances exhaust flow but also simplifies installation when compared to the stock unit. This downpipe is designed as a factory replacement, ensuring compatibility with any exhaust system and turbocharger that fits the factory location. Elevate your Powerstroke's potential with SPELAB!

What does a downpipe do?

The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system. An aftermarket downpipe will typically be larger in diameter and either uses a high-flowing catalytic converter or remove the catalytic converter altogether.

By removing the factory downpipe and replacing it with a high flowing unit you are allowing the turbo to more efficiently move gases away from the turbine which creates more power. Since the factory restrictions are now gone you can increase the boost on the vehicle as the factory downpipe is a choking point for performance.

Key Features

  • 4" high-flow design for maximum exhaust flow
  • 2-piece construction simplifies installation vs. the stock unit
  • 304 stainless steel construction
  • Designed as a factory replacement — compatible with any exhaust system or turbo that fits the factory location
  • O2 sensor bungs included for sensor retention

Who This Is For

2015-2019 Ford F-250 / F-350 / F-450 / F-550 Super Duty owners with the 6.7L Powerstroke turbo-diesel who want a 4" high-flow 2-piece downpipe for maximum flow and easy installation.

Product Specifications

  • Engine: Ford 6.7L Powerstroke Turbo-Diesel
  • Pipe Diameter: 4 inch
  • Material: 304 Stainless Steel
  • Configuration: Catless
  • Flange Type: V-Band primary + Bolt-on 3-Bolt
  • Weight: 5.70 kg (5700 g)

What's Included

  • Downpipe (2-piece)
  • Gasket(s)
  • V-Band clamp(s)
  • Mounting hardware

Check Before Choosing

  • 2-piece design: The 2-piece construction simplifies installation by allowing the rear section to be separated from the front section.
  • Tune recommended for delete: Yes — a diesel tune is required to clear the CEL/DPF codes and safely manage increased flow on the 6.7L Powerstroke.
  • Compatibility: Designed as a factory replacement — works with any exhaust system or turbo that fits the factory location.
  • Street legality: No — off-road / competition use only.