Mercedes W205 C400/C450 Weistec Downpipes

Part # 01-276-01675-5
Price: $799.99 Each

Weistec Engineering offers the M276 Downpipe for the W205 C400 and C450 models.  The downpipes were designed with the most sophisticated Computer Aided Design tools to ensure excellent fitment. The downpipe features 3 inch diameter piping and a laser cut precision flange to mate with factory mounting points, giving this system a perfect fit. Our M276 Downpipes features CNC Machined 304 stainless steel turbine flanges to mate with the turbos perfectly using the OEM clamp.  The M276 Downpipes mate to the rest of the exhaust using an OEM style adapter for a simple bolt in installation

  *Product may not be emissions compliant. Check local laws prior to installation. 


  • 100% mandrel bent and TIG welded

  • Constructed of low carbon 304 Stainless Steel

  • CNC machined 304SS turbine flanges

  • Laser cut mounting brackets

  • Fully brushed finish

  • Bolt-on installation

  • 1 hour instal time

  • 5-15hp Gains

  • Improved exhaust note

  • Improved exhaust flow

  • Improved turbo response

About Weistec Engineering


Based out of Orange County California, Weistec Engineering is an industry leader in research, development, and design. We have grown to provide customers with the highest level of satisfaction and value through relentless testing and continuous improvements in product and performance.

Specializing in computer aided design, and vehicle calibration, Weistec has the ability to manufacture quality products that are able to withstand even the most rigorous testing. From OEM vehicle manufacturers to the aftermarket performance enthusiast we aim to deliver innovative solutions that address a client’s needs.


Engineering and design are the core services of Weistec. Combined experience from mutiple fields by our technical department allows Weistec Engineering to offer an array of services and capabilities. Whether you have an idea drawn on a cocktail napkin, or are looking to improve an existing design, Weistec will bring your concept to reality while protecting design form, and engineering function.

Knowledge is power. Weistec’s capabilities are available to aid companies in solving tough engineering and development challenges. Along with that is the ability to provide realistic solutions that will ultimately aid our customers in making effective decisions when it comes to production.

Weistec’s team and equipment allow quality production in house, insuring nothing but the best quality and shortest lead times for our customers.


CAD, Computer Aided Design

CAM, Computer Aided Machining

FEA Simulation for Fluid Dynamics, Static and Dynamic Loading

Rapid Prototyping from SLA to Investment casting.

Plastic injection molding

Vacuum form molding


Complex sheet metal bend and form

Laser and waterjet cutting

Laser Engraving and Etching.



Reverse Engineering and Part Inspection

3D Laser Scanning

CMM, Coordinate Measuring Machine

Dimensional measurement

Profile measurement

Angularity or orientation measurement

Depth mapping



Shaft measurement

Images are provided by the manufacturer/supplier and may be a generic photo for representation purposes, and not of the actual product. Pricing also subject to change without notice.

GMP 710 Pressley Road Charlotte, NC 28217 Phone: 888.488.2028 Fax 704.523.4910