Mercedes-Benz A45S (2019-2025) W177 Milltek Sports Exhaust

Milltek Sport Non‑Resonated Particulate Filter‑Back System – Mercedes‑AMG A45 / A45 S (W177 Hatch, 2.0 Turbo)

Enhance your AMG A45’s performance and growl with Milltek’s non-resonated particulate filter-back (OPF/GPF-back) exhaust system. Designed for enthusiasts seeking aggressive tone and improved flow, this system delivers an intense, raw exhaust note with every lift and rev.

🔊 Key Features

• Non-Resonated Design – Unfiltered, aggressive exhaust tone for track-level sound and character.

• 70 mm (2.75″) Mandrel-Bent Tubing – Enhances gas flow and reduces backpressure for better throttle response.

• OE-Style Tip Integration – Retains factory tip fitment for a seamless, high-quality appearance.

• Bolt-On Fitment – Installs directly onto the stock GPF/OPF-back section—no cutting, welding, or modifications required.

• Lightweight Construction – Stainless system is lighter than OEM components, contributing to improved performance.

🚗 Fitment Guide

Engineered specifically for:

• Mercedes-AMG A45 / A45 S

  • Body: W177 Hatch

  • Engine: 2.0L Turbocharged

  • Years: 2019 onward

  • Emissions Equipment: OEM OPF/GPF-back

Designed for vehicles retaining factory downpipes and catalytic hardware.

🛡 Why Choose the Milltek Non‑Resonated OPF‑Back?

• Track-Focused Audio – Delivers a deep, unapologetic soundtrack under throttle and during gear shifts.

• Sport-Tuned Performance – Frees up flow for sharper engine response and enhanced mid-range power.

• Premium Engineering – Constructed from durable T304L stainless steel with precision-crafted mandrel bends.

• Effortless Upgrade – Direct-fit bolt-on system ensures quick installation and retains factory aesthetics