The GR Yaris Gets a Garage Whifbitz OPF Back Exhaust System. With Back to Back Dyno!!

Today we have a short video from where we fitted a Garage Whifbitz OPF back exhaust system to my GR Yaris. We also did a back to back dyno run to see if there are any horsepower gains from the system. If your interested log on to Garage Whifbitz website or social media found here:
https://www.garagewhifbitz.co.uk
Twitter:
  / garagewhifbitz  
YouTube:
   / whifbitz  
Facebook:
  / garagewhif1  
Instagram:
https://www.instagram.com/whifbitz/?h...

Music:
Track: MAGNUS & Whats Gud - Sanity [NCS Release]
Music provided by NoCopyrightSounds.
Watch:    • MAGNUS & Whats Gud - Sanity | Bass Ho...  
Free Download / Stream: http://ncs.io/Sanity

My Setup:
Base Playstation 4 with Samsung 850 Evo SSD
https://amzn.to/2CYCEVQ
Base Xbox 1 500Gb
Elgato HD60 Capture Card
https://amzn.to/2WN4E6c
Headset:
https://amzn.to/2OYEACJ
Wheel:
Logitech G29 Standard with shifter.
https://amzn.to/2UuzTpl
GT Omega Pro Racing Simulator Cockpit
https://amzn.to/2I3dedF

My Car:
2005 Mitsubishi Evo IX FQ320
Braided Brake Lines
Uprated Brake Disks and Pads
Carbon Badges
LED Light Conversion
Smaller Battery

1996 BMW 316i
Ebay Coilovers
Ebay Top Mounts
Ebay Hydro Hand Brake
Sparco Bucket Seat
Drfitworks 5 Point Harness
Welded Diff

Shoes:
Adidas XLT Kart Boots in gold and black.
https://www.demon-tweeks.com/uk/adida...

Gloves:
Adidas XLT Kart Gloves in gold and black.
https://www.demon-tweeks.com/uk/adida...

All Edited on MacBook Pro with Final Cut Pro and Shot on iPhone