FI Exhaust: 2-1/4" vs 2-1/2"
To the OP, when I ordered my FI exhaust in February, I still had the option to go 2.25 or 2.5" - My choice was impacted by how much those pipes can flow. With full bolt-ons and tune, etc, 2.25" gets restrictive on our cars, so I went with the 2.5" for the best flow. See here: https://www.exhaustvideos.com/faq/ho...pipe-diameter/
Of course the calculations don't take into consideration other factors (exhaust bends, cats, resonators / mufflers, etc), but it's a good estimation.
Of course the calculations don't take into consideration other factors (exhaust bends, cats, resonators / mufflers, etc), but it's a good estimation.
Cold start. iPhone 13 on mount to the right of the center column. Windows up, sunroof closed, sunroof shade pulled forward (yes this makes a difference in sound).
Long tube CAI, VQ35 upper intake, FI resonated cats, FI resonated catback, Z1 dyno tune.
https://photos.app.goo.gl/wMZKQV5fHN6JugYA6
Warm start, same conditions.
https://photos.app.goo.gl/7uBnwzNgoxwvNQWBA
Going to try to get some windows-down recording this week. It really does sound glorious when you get on it. Well, not Aston Martin good, but you get the idea.
Long tube CAI, VQ35 upper intake, FI resonated cats, FI resonated catback, Z1 dyno tune.
https://photos.app.goo.gl/wMZKQV5fHN6JugYA6
Warm start, same conditions.
https://photos.app.goo.gl/7uBnwzNgoxwvNQWBA
Going to try to get some windows-down recording this week. It really does sound glorious when you get on it. Well, not Aston Martin good, but you get the idea.
Oh hey, I've got a video from last weekend where you can hear my FI exhaust. It's not great by any measure, but if you turn up the volume you can hear well enough.
https://www.youtube.com/watch?v=AhCfnoiclNs
https://www.youtube.com/watch?v=AhCfnoiclNs
To the OP, when I ordered my FI exhaust in February, I still had the option to go 2.25 or 2.5" - My choice was impacted by how much those pipes can flow. With full bolt-ons and tune, etc, 2.25" gets restrictive on our cars, so I went with the 2.5" for the best flow. See here: https://www.exhaustvideos.com/faq/ho...pipe-diameter/
Of course the calculations don't take into consideration other factors (exhaust bends, cats, resonators / mufflers, etc), but it's a good estimation.
Of course the calculations don't take into consideration other factors (exhaust bends, cats, resonators / mufflers, etc), but it's a good estimation.
I want to say thank you for all who contributed on this post. This weekend, I'll be jacking up the car (along with my dad's help) to crawl underneath & assess the damage before I start ordering replacement parts and/ or a full exhaust. Unfortunately, my exhaust leak seems to be getting worse. It's getting a tiny bit louder by the day & I can definitely feel the car becoming sluggish. Crazy how an exhaust leak can have such an effect on performance. I'll take some pictures & keep you guys updated!
I haven't received it yet. Ordered mid-February and it's due to ship late May to early June. I'll surely be posting some sort of review / sound clips.
Top Gear (original) had an episode where they took three supercars to the Isle of Wight I think? With an Aston and two other supercars. The Aston was slowest but even Clarkson was awed by the sound.
Only thing that compares was an original GT-40 Mk4 at a vintage race.
Some more noise:
Sedate driving in neighborhood. WOT pull to redline at the very end (when I get out on the main road). Windows/sunroof down, phone in mount. Old guy in driver seat.
https://photos.app.goo.gl/CDFh5jcEmGBet99w9
Spirited low-speed driving:
https://photos.app.goo.gl/WaSsrYQnhibbNbuG7
Some heel-and-toeing at the end:
https://photos.app.goo.gl/tRTMn53fFnB2AhJv9
Not very good video but the sound is OK...
Sedate driving in neighborhood. WOT pull to redline at the very end (when I get out on the main road). Windows/sunroof down, phone in mount. Old guy in driver seat.
https://photos.app.goo.gl/CDFh5jcEmGBet99w9
Spirited low-speed driving:
https://photos.app.goo.gl/WaSsrYQnhibbNbuG7
Some heel-and-toeing at the end:
https://photos.app.goo.gl/tRTMn53fFnB2AhJv9
Not very good video but the sound is OK...
Some more noise:
Sedate driving in neighborhood. WOT pull to redline at the very end (when I get out on the main road). Windows/sunroof down, phone in mount. Old guy in driver seat.
https://photos.app.goo.gl/CDFh5jcEmGBet99w9
Spirited low-speed driving:
https://photos.app.goo.gl/WaSsrYQnhibbNbuG7
Some heel-and-toeing at the end:
https://photos.app.goo.gl/tRTMn53fFnB2AhJv9
Not very good video but the sound is OK...
Sedate driving in neighborhood. WOT pull to redline at the very end (when I get out on the main road). Windows/sunroof down, phone in mount. Old guy in driver seat.
https://photos.app.goo.gl/CDFh5jcEmGBet99w9
Spirited low-speed driving:
https://photos.app.goo.gl/WaSsrYQnhibbNbuG7
Some heel-and-toeing at the end:
https://photos.app.goo.gl/tRTMn53fFnB2AhJv9
Not very good video but the sound is OK...









