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So you are saying there is no insane interior drone at 1500-1700rpm highway?? With the valves open on stock exhaust it drones so badly so I am not sure how this is possible...but want to know!
So you are saying there is no insane interior drone at 1500-1700rpm highway?? With the valves open on stock exhaust it drones so badly so I am not sure how this is possible...but want to know!
Dude I'm telling you... I have npp on my grand sport and I would say its more quite. Maybe equal, but still, its sounds amazing at wot. I was shocked because I had B&B Bullets on a 05 a4 and it drones baddd.
Dude I'm telling you... I have npp on my grand sport and I would say its more quite. Maybe equal, but still, its sounds amazing at wot. I was shocked because I had B&B Bullets on a 05 a4 and it drones baddd.
hmmmmm very interesting. When your NPP fuse is pulled and its always open would you say it is louder drone compared to the straight pipe setup?