Borla Boomer Muffler Thumper Oval 2-1/4in In 4in Side Round Out 2022-bmw-430i-xdrive-esi5270513 Thicker 28mm rotor

Thicker 28mm rotor

A urethane plug is also included for those cold weather applications where you want to block the auxiliary air scoop

Enjoy the increased snarl from your engine and hear the turbo spool more clearly with the addition of the COBB Tuning SF Intake system

This system features quad 3

Application: Universal - single catch can system

Borla Boomer Muffler Thumper Oval 2-1/4in In 4in Side Round Out 2022-bmw-430i-xdrive-esi5270513 Thicker 28mm rotorBORLA(r) Boomers are full blown, high tech, dyno and race proven mufflers for the street or track. These eye popping, fully polished, T 304 stainless steel mufflers feature integrated polished tips, and utilize BORLA(r)'s patented race winning technology for improved exhaust flow. In addition to adding head turning sound, they also add a modest boost in horsepower. They utilize 100% welded construction for strength. High temperature continuous