4'' DPF Back Exhaust 2011-2016 6.7L Powerstroke Ford F250 F350 F450
4'' DPF Back Exhaust 2011-2016 6.7L Powerstroke Ford F250 F350 F450 - 2011-2016 / T409 / 4" is backordered and will ship as soon as it is back in stock.
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The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
4'' DPF Back Exhaust 2011-2016 6.7L Powerstroke Ford F250 F...
4'' DPF Back Exhaust 2011-2016 6.7L Powerstroke Ford F250 F350 F450 - 2011-2016 / T409 / 4" is backordered and will ship as soon as it is back in stock.
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Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
Want to keep your DPF but still get that deep, aggressive exhaust sound for your 2011-2016 6.7L Powerstroke? Upgrade to SPELAB's DPF-back pipe! You can choose between affordable 409 stainless steel (a direct OE replacement that solves rust and aging issues) or premium 304 stainless steel for better durability. Enjoy the black-coated exhaust tip for a sleek look and the expanded outlet diameter for improved sound and flow. Get the rumble you want—without deleting your DPF!
| Parameter | T304 | T409 |
|---|---|---|
| Corrosion Resistance | 18% Cr, 8% Ni (Better) | 11% Cr, trace Ti (Good) |
| High Temp Resistance | ≤ 870°C | ≤ 800°C |
| Oxidation Resistance | Excellent | Good |
| Salt/Cl- Resistance | Excellent | Good |
| Sulfide Resistance | Excellent | Good |
| Estimated Lifespan | 10–15+ years | 7–12 years |
Specification
| Filter Back Material | T409/T304 Stainless Steel |
|---|---|
| Exhaust Tip Material | T201 Stainless Steel |
| Exhaust Diameter | 4" |
| Installation | Bolt-on (no welding required) |
| Sound Level | Performance-enhanced tone (deeper but not overly loud) |
Features
- Performance Boost – Reduces exhaust restriction for better horsepower, torque, and fuel efficiency.
- Durable Construction – T409 stainless steel resists corrosion and withstands daily use. Compared to T409, T304 contains higher nickel content (8-10%) for enhanced rust protection, especially in coastal or high-salt conditions.
- Easy Bolt-On Installation – Uses factory-style hangers for a perfect fit (no welding needed).
- Enhanced Exhaust Sound – Deeper, more aggressive tone without excessive drone.
- OEM+ Fitment – Precision-engineered to match factory mounting points.
- DPF-Compatible – Works with your stock diesel particulate filter (emissions compliant).
- Stylish Black Exhaust Tip – Adds a rugged, custom appearance to your truck.
What's in the BOX?
4"Extension Pipe x 1
Over-Axle Pipе x 1
Tail Pipе x 1
Hanger x 1
Exhaust Tip x 1
4" Wide band clamps x 2
Gasket x 1
7/16" Hex bolts x 3
7/16" Hex nutsx 3
Installation
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