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Est. 1957
aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P
Photo - Unmounted
Photo - Unmounted
Photo - Unmounted
Photo - Unmounted
Photo - Unmounted
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aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P

$808.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Worn-out exhaust causes reduced performance. This aFe Large Bore-HD DPF-Back exhaust is a direct fix, converting to dual tips for better flow.

Key Features

  • 4-inch mandrel-bent tubing — Made from 409 stainless steel for maximum exhaust flow.
  • Dual exhaust conversion — Changes the factory single exhaust to a more aggressive dual tip setup.
  • OE-style hangers — Bayonet hangers maintain stable pipe location during high vibration and heat.
  • Polished 304 stainless tips — Dual 6-inch slash-cut tips with laser-cut aFe Power badges for aggressive styling.
  • Direct bolt-on installation — Uses factory mounting locations with no modifications needed.
  • Fits with spare tire — Does not require relocation of the spare tire.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P

$808.00