Fabspeed Motorsport

Fabspeed Porsche 991.2 GT3 / GT3 RS Side Muffler Bypass Pipes (2017-2019)


Utilizing super premium Helical U.K. Great Britain Imported Aerospace grade valves along with the addition of O2 bungs, Fabspeed's Side Muffler Bypass Pipes provide the ultimate street and track solution for the 991.2 GT3 / GT3 RS. Prefect upgrade for any Street Driven GT3 touring, GT3RS, GT3 PDK cars. Factory Sport Button PSE is 100% retained with Fabspeed GT3 side muffler bypass pipes with exhaust valves.


Fits all Porsche 991.2 GT3 / GT3 RS / 911R vehicles worldwide 2017-2019

Highest quality OEM Porsche Ag. Helical Limited United Kingdom exhaust valves are used for bullet-proof reliability.

NO cheap 100% guaranteed to fail, break, vibrate and melt Chinese exhaust valves like competitors cheap systems

Helical aerospace valves cost $375 each 2 required versus cheap $35 Asian valves. Caveat Emptor.

Includes O2 bungs and plugs at no extra charge.

Saves a massive 41+ lbs 18.6 kg from the rear of the vehicle

CAT-BACK Emissions legal. Bolts onto OEM Porsche catalytic converters

Replicates aggressive CUP car sound for the street. Not too loud

Increased power +9HP versus stock OEM heavy restrictive dual side mufflers.

14-16ga T304 Stainless Steel construction

Retains Sport Button PSE functionality. PSE = Porsche sport exhaust

Simple bolt-on installation- remove rear left and Right side mufflers and install these Works of Art. .

All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty