Aimez, if you want the splitter to look flat rather than drooping in the middle you need to trim down the 2 post in the middle "V's".
You need to trim the V's down by 10mm, they are 20mm so really it's just a case of cutting them down to half size.
You need to trim the V's down by 10mm, they are 20mm so really it's just a case of cutting them down to half size.