APEXi® Active Tail Exhaust Silencer Insert (1.34" Center ID, 3.5" Center OD, 7.1" Length) (155-A026) ENGINE_VQ37VHR The exhaust openings mimic the

The exhaust openings mimic the factory opens so it works perfectly with the factory exhaust

Tested +9 TQ and +6 WHP - Safe

New OEM gaskets included

Deatschwerks Set of 4 440cc Injectors 440cc for Audi A4/TT 1

APEXi® Active Tail Exhaust Silencer Insert (1.34" Center ID, 3.5" Center OD, 7.1" Length) (155-A026) ENGINE_VQ37VHR The exhaust openings mimic theUniversal Active Tail Exhaust Silencer Insert (155 A026) by APEXi. Muffler Inlet Diameter: 1. 34". Muffler Outlet Diameter: 3. 5". Muffler Body Length: 7. 1". Muffler Sound: Moderate. Muffler Configuration: Center Center. Current tail silencers are a restriction for power under high load and the user sacrifices power for quieter sound. The ATS allows for quiet sound during low load, but under high load, the pressure activated valve opens wide up for