Hey man I love what you have done with your TM3 question on the diffuser, is there a reason you chose to cut the fins through how you did opposed to using something like there, where you can stick them on?
https://www.ebay.com/itm/Universal-Rear-Bumper-Lip-Diffuser-Shark-Fins-Black-4Pc-Set-ABS/372343955290?epid=1140022551&hash=item56b16ddf5a:g:pvkAAOSw9A5bseT~:sc:USPSPriority!95928!US!-1
https://www.ebay.com/itm/Universal-Rear-Bumper-Lip-Diffuser-Shark-Fins-Black-4Pc-Set-ABS/372343955290?epid=1140022551&hash=item56b16ddf5a:g:pvkAAOSw9A5bseT~:sc:USPSPriority!95928!US!-1