Borla 2018 Volkswagen GTI (MK7.5) 2.0T AT/MT SS S-Type Catback Exhaust w/Black Chrome Tips 1987-bmw-325i-esi1764419 equivalent to a 7" diameter

equivalent to a 7" diameter hole

This pipe is constructed out of 409 stainless steel and is used to eliminate the 4" In/Out muffler used in most factory or performance 4" exhaust systems

The AEM 21-732C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

The results are weld-free pipes from the turbo outlet to intercooler inlet and from the intercooler outlet to the throttle body

professional routing — ideal for engine bay line management

Borla 2018 Volkswagen GTI (MK7.5) 2.0T AT/MT SS S-Type Catback Exhaust w/Black Chrome Tips 1987-bmw-325i-esi1764419 equivalent to a 7" diameterDoes NOT fit MK7. This 3" diameter into dual 2. 25" Cat Back system delivers the classic S Type sound with no drone inside the vehicle. It includes 1) 3. 0" O. D. x 2. 5" O. D. x 5. 5" long adapter for a bolt on connection to the stock system. Add optional resonator 60666 when additional sound reduction is desired. Adding this resonator will achieve the Touring sound level. The resonator is NOT designed to be used with the Original Equipment (O. E.)