Audi 4.0T Catted Downpipe For C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports f550 • ARM N55 Charge Pipe

• ARM N55 Charge Pipe

and lines separately

B9) EA888 Gen 2 & 3 - 2

adding a remarkable 31 gallons

Audi 4.0T Catted Downpipe For C7 S6, S7, RS7 & D4 A8, S8 - ARM Motorsports f550 • ARM N55 Charge PipeHIGHLIGHTS Gain up to 37whp 42wtq Faster Turbo Spool Improved Exhaust Note Here Catless Version PROFILE The ARM 4. 0T Catted Downpipes immediately improve backpressure in your exhaust system,allowing your Audi 4. 0T turbos to spool faster and generate more power lower in the RPM range. The OEM 4. 0T downpipes incorporate two large coffee can size catalysts which reduce exhaust flow and power from your 4. 0T. By replacing your OEM 4. 0T downpipes with