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Mercedes-Benz

M133 Downpipe
Purchase M133 Downpipe
  • SKU: 01-133-00902-9

    M133 Downpipe

  • Gains are at the engine or "crank". Actual gains are dependent on the model, model year, fuel octane, engine health, and environmental conditions. Learn More

  • $999.99

  • Prop 65 warning
    Warning

    This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Weistec Horsepower 455
Weistec Torque 504
Manufacturer Weistec
Street legal in all the US States No
Engine Family M133
Stock Horsepower 355
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year make model trim engine
2019 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
2018 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
2017 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
2016 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
2015 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
2014 Mercedes-Benz GLA45 AMG Base (X156) Turbocharged 2L I4 (M133)
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Turbocharged vehicles love free flowing exhaust. The most restrictive part of the exhaust on the CLA 45, GLA 45 and A 45 cars are the downpipe. The factory downpipe contains a catalytic converter and has a very restrictive cross section where it passes between the engine and the subframe. The Weistec M133 Downpipe for the CLA 45, GLA 45, and A 45 is designed to have the best possible flow without any permanent modification to the engine or chassis and even makes use of the factory exhaust hanger. Countless hours were spent designing and testing the downpipe to ensure OEM fit and finish.

The 3” downpipe routes down under the engine into a slip connection to the midpipe. The midpipe has an integrated flex section and runs between the engine and the subframe. The midpipe mates to the factory or AMG sport catback exhaust.

 

Installation of the Weistec M133 Downpipe results in signifigant horsepower gains at the engine and a more aggressive exhaust note, both with the standard exhaust and the AMG sport exhaust option. If you want to make as much power as possible out of your CLA45, GLA45 or A45, the Weistec M133 Downpipe is a must.

Complete system includes Downpipe, Midpipe, and Hardware.

Key Features:

  • 100% mandrel bent and TIG welded

  • Constructed of low carbon 304 Stainless Steel

  • Easy bolt-on solution

  • Improves exhaust note