Milltek Large Bore Downpipe Hi-Flow Sports Cat - Mercedes A45 AMG 2.0 Turbo (W176) - SSXMZ116

Milltek Large Bore Downpipe with integrated Hi-Flow Sports Catalyst for Mercedes A45 AMG (W176) 2.0 Turbo. Mandrel-bent T304L stainless steel construction with CNC-formed collector and cat housing. Direct bolt-on fitment using OEM hangers—no modification required. Pairs with Milltek Cat-Back Exhaust System (Stage 2 ECU remap required for full benefit).

The enlarged bore diameter increases exhaust gas flow efficiency compared to OEM restrictive piping, unlocking additional horsepower and torque throughout the rev range. The integrated hi-flow catalyst maintains emissions compliance while reducing backpressure. Hand-finished T304L construction ensures durability and corrosion resistance.

Fitment & Requirements:

• Mercedes A45 AMG (W176) 2.0 Turbo
• Pairs with Milltek Cat-Back Exhaust System
• Stage 2 ECU remap required for peak performance
• T304L stainless steel, mandrel-bent
• Direct OEM+ fitment using factory mounting points

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 76.2mm (3.00")
• Fitting time: 2 to 2.5 hours, including removing the factory system
• Off-road / competition use only. Not legal for use on public roads in the US.

Fitment

• Mercedes > A-Class > A45 AMG 2.0 Turbo (W176) > 2012 to 2018
• Mercedes > CLA-Class > CLA45 AMG 2.0 Turbo > 2013 to 2018

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.