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Description:

Evolution Racewerks Competition Series Mid Pipes BMW G80 M3/ G82 M4 2021 +

Introducing our new Competition Series Mid Pipes for your twin turbo S58 engine! Fits 2021+ BMW M3/M4.

Key Features:

• Now available for the 2021+ BMW M3/M4 S58 Engines!
• Higher Max Horsepower Power Curve
• Higher Intial Torque Curve.  Torque curve hits faster and higher and longer.
• Better throttle response and faster turbo spool up times
• Deletes factory resonators for improved flow
• Mandrel Bent 3" (80mm) piping.  Smooth transition through the exhaust system.
• 100% Stainless Steel Construction
• 100% TIG welded for better quality welds
• Precision CNC machined Flanges
• Brushed Finish
• Compatible with the factory or aftermarket exhaust systems
• Track tested durability
• Includes all hardware for complete installation
• Limited Lifetime Warranty

Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque.  The factory resonators found in the factory midpipe is designed to muffle and quiet the exhaust flow however this causes a restriction to the exhaust flow.  Our Competition Series Mid Pipes deletes the resonators from the exhaust system to improve exhaust flow.  Coupled with mandrel bent tubing which also helps promote better flow, increase horsepower and torque can be had.  At the same time, a more aggressive exhaust sound is produced.

Our Competition Series Mid Pipes feature a "H" style crossover.  The crossover is used to equalize the pressure between the left and right exhaust pipes.  This helps promote better flow and reduce droning.  Through testing between an "X" and "H" crossover design, we found the "H" crossover design helped reduce droning and improving low end torque compared to the "X" crossover design.  Thus, we incorporated an "H" crossover instead of a "X" crossover.  At the end of the day, this is a BMW and we do not want droning.  The factory mid pipe also incorporates a "H" crossover design so we figured BMW also felt the "H" design was the ideal solution for this appliation.

Our Competition Series Mid Pipes are constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping. They are 100% TIG welded by our in house fabricators and built in the USA.  Our exhaust flanges are billet stainless steel that is computer CNC precision cut.  The factory bracket hanger is retained.  The bracket hanger is laser cut and TIG welded using stainless steel rods.  High quality  exhaust clamps are used to joint the mid pipes to the rear exhaust muffler section.

Our Competition Series Mid Pipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system designed for compatibility to the factory mid pipes.  

UPS/FedEx/DHL Shipping

Due to the large size of the mid pipes, the full 1 piece mid pipe exceeds all UPS/FedEx/USPS/DHL maximum dimension size for Ground and Express Air shipments.  They can only be shipped by truck freight which can be very expensive.  We offer the mid pipes in a 3 piece design that can be shipped UPS/FedEx/DHL Ground and Express Air.  All UPS/FedEx/DHL shipments for these Mid Pipes will be the 3 piece design.

Fitments: