Art pipes and top speed axleback
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Not art pipes but berk HFC and top speed
Infiniti G37 Coupe Topseed Axleback Exhaust with Berk HFC ($265!!) - YouTube
Infiniti G37 Coupe Topseed Axleback Exhaust with Berk HFC ($265!!) - YouTube

I have the top speed without mufflers and be warned, the cold starts are obnoxiously loud. In addition, for regular, everyday driving, it is a bit too loud. But for those summer cruising / spirited driving days....I absolutely love the combination. Pick your poison, I guess lol
That's me 
I have the top speed without mufflers and be warned, the cold starts are obnoxiously loud. In addition, for regular, everyday driving, it is a bit too loud. But for those summer cruising / spirited driving days....I absolutely love the combination. Pick your poison, I guess lol

I have the top speed without mufflers and be warned, the cold starts are obnoxiously loud. In addition, for regular, everyday driving, it is a bit too loud. But for those summer cruising / spirited driving days....I absolutely love the combination. Pick your poison, I guess lol
I'm about 2 months behind I know! But I'm about to buy this axle back but with the muffler can you say it will be a little more tamed and not sound like a straight pipe.I did that with my borla cat back and it was crazy loud now I have a borla pro xs muffler and it's just dull. I want this but I don't not want constant loud.I also don't have hfc. Think I'll be good?
I'm about 2 months behind I know! But I'm about to buy this axle back but with the muffler can you say it will be a little more tamed and not sound like a straight pipe.I did that with my borla cat back and it was crazy loud now I have a borla pro xs muffler and it's just dull. I want this but I don't not want constant loud.I also don't have hfc. Think I'll be good?
My understanding is that Borla is generally on the quieter end of exhausts but I've never heard one in person so I can't give you a comparison.
With that being said, I enjoyed the axleback on its own, but it wasn't loud in the cabin with all the sound deadening (definitely audible, but not loud) so I paired it with some HFC.
If you get the axleback with the mufflers, it's way too quiet. Most comparable to maybe a slightly louder Civic Si with the stock performance exhaust. The axleback without the mufflers make a big difference.
Don't think this is the answer you were looking for but I hope it helps.
I sold/traded my Tanabes for a Manzo axle back, it sounds EXACTLY the same lol. I have Beluga resonated test pipes and was going to weld HFC into them but am waiting until inspection time. I'll take a video of the sound, its amazing...
Not art pipes but berk HFC and top speed
Infiniti G37 Coupe Topseed Axleback Exhaust with Berk HFC ($265!!) - YouTube
Infiniti G37 Coupe Topseed Axleback Exhaust with Berk HFC ($265!!) - YouTube
I have both FI RHFC and Top Speed axle back exhaust. Got just mufflers at first, sounds really good. Gives it a nice deep ramble. Add on the FI RHFC and it'll make it 3x as loud.
I wouldn't get berk HFCs, I remember people saying you get a rasp
I wouldn't get berk HFCs, I remember people saying you get a rasp
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