SuperSprint Poweloop fitted - Initial thoughts

Melman

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 Salisbury
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I’ve had the Powerloop backbox fitted, with Kieran at Salisbury Powerflow fabricating a very accurate replica of the SS Y Pipe for £200 fitted (vice around £450 landed for the pipe alone). Seemed like a sensible way to go, as there’s nothing special about that part of the set up. OEM resonator retained…for now!

Overall it was around £1100 for the back box delivered (inc. taxes), £150 to fit it and another £200 for the Y pipe fabrication (which you do need). So not cheap, hence why I wanted to share the experience for any others contemplating this upgrade. If no drone is your priority, alongside more depth, this is a good way to go. If you want more noise and drama, you might find it a little subdued.

I’m 200 miles in and I like it. The tone is noticeably deeper and there are light burbles on the over-run. It is, however, quieter than I expected (or I’m getting deafer…entirely possible!). The Tips look nice, and as has been commented many times before they just fill the space so much better.

Next step - I may delete the Resonator and replace with an X pipe, to hopefully increase the volume and top end scream without becoming anti-social….but a few more spirited blasts before making that decision. It does sound like it’s still bedding in and getting a little richer/louder with each drive.

I’ll post separately if anyone wants the original backbox, which seems to be in decent condition.

Kieran at Powerflow Salisbury is excellent. A real craftsman, who enjoys what he does. Highly recommended if you are over this way.
 

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I've had the same experience as you. It's a little on the quiet side but still enough sound to be enjoyable.
 
Hi Bumpy, good to know it’s not my hearing! I’m going to install an x-pipe forward and replace the large OE resonator with a 12’’ fibreglass packed bullet resonator on each pipe as the next step.

Fingers crossed that proves the ‘just right’ character without drone. I’ve come this far, so might as well go all out. Will let you know how that shapes up…
 
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