Nissan 370Z Forum - View Single Post - Fancy Tech: How to Get Rid of Exhaust Drone, works great!

beemerkid · 10-13-2016, 07:52 PM

I just started on this today. Invidia gemini with FI resonated hfc's. Its not bad but its riiiight at 2800 to 2900 rpm...75to 80 mph, perfect cruising speed. So ive welded caps on so far. I wanted to package this so they sat above the mufflers, not adding extra weight to the middle, so the pipes arent an ideal length. One is 21and the other is 26. Maybe itll cut out more frequiencies because of the different lengths, I dont know. Im using 2.5 in. tubing, so the volume of the space created is pretty big. [IMG]

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10-13-2016, 07:52 PM	#99 (permalink)
beemerkid Base Member Join Date: Aug 2015 Location: Santa Rosa California Posts: 67 Drives: '16 sport 6MT Rep Power: 9	I just started on this today. Invidia gemini with FI resonated hfc's. Its not bad but its riiiight at 2800 to 2900 rpm...75to 80 mph, perfect cruising speed. So ive welded caps on so far. I wanted to package this so they sat above the mufflers, not adding extra weight to the middle, so the pipes arent an ideal length. One is 21and the other is 26. Maybe itll cut out more frequiencies because of the different lengths, I dont know. Im using 2.5 in. tubing, so the volume of the space created is pretty big. [IMG][/IMG]