Stillen is a great company but there still on the conservative side. When I installed my Stillen Cat-Back on my 08 3.5 Altima it sounded good but not very loud at all. I removed there resonater and installed a straight pipe. It was better but still no where near the level I like. Next I put on an aftermarket Y-Pipe that really opened it up. Sounds like test pipes would really help you.
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2010 Base+Sport 6spd: Stillen G3, FI Non-Resonated CBE, FI Non-Resonated Test Pipes, UpRev Tuned, Custom 24R Oil Cooler, JDM Rear Fog-OEM Harness.
???Whp ???WTQ (Will find out come spring time)
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