Yes you do. According to the rules you can only trim pieces that interfere with other mods. Read the rules again.
http://www.moutons.org/sccasolo/Rule..._modified.html
- The firewall, roof, doors, rear quarter panels, floor pan, trunk lid (if any) or rear hatch (if any) must remain stock. Holes may be drilled to allow attachment of body kits, etc. This specifically allows replacement hoods, fenders, wings, front & rear fascias, side skirts, and fender flares as per Section 14. Body panels may be attached with removeable (e.g., Dzus) fasteners.
- Except as noted by these rules and the referenced rules, vehicles must be as originally delivered including all road going components such as lights, wipers, interior, heater, etc.
- Rear passenger seat(s) do(es) not need to be retained.
- Any minor modification, intended to allow or facilitate any allowed modification, is permitted as long as it does not provide any intrinsic performance benefit in and of itself, does not provide a weight reduction of more than 1 lb., and is not explicitly prohibited elsewhere within these rules. This rule is intended to allow minor notching, bending, clearancing, grinding; the drilling of holes; affixing, relocating, or strengthening of brackets; removal of small parts, and similar operations performed in order to facilitate the installation of allowed parts or modifications. Competitors are strongly cautioned to make the minimum amount of modification required to affix a given part, and not to make unduly tortured interpretations of this rule. Modifications to the firewall in order to allow for increased engine setback, and any modification that changes the location of of a suspension pickup point, are explicitly forbiddden.
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