412 pipes
My 412 had on odd aftermarket exhaust which branched off in a Y shape splitting from the Diff so the exhausts protruded at the right place but pointed outward at about a 30 degree angle and cleared the rear bumper a little. The previous owner had attached lip spoiler to the rear bumper to stop fumes coming into the back of the car when the hood was down as his passengers had apparently noticed this. He said the bumper spoiler did the trick.
When it was rebuilt BCL fitted new SS exhausts (which are very quiet) with their stainless steel tips. These are blanked off internally and have the slots cut underneath as described elsewhere in the thread. The 'spoiler' was removed. I have done at least three thousand miles with the roof down and passengers in the rear with no complaints or comment, so this must work. I sprayed the interior of the tips with matt black barbecue paint so that you don't notice the blanking discs.
I have put my winter top on and as the S2 doesn't have vent slots the back of its hard hat like the Beaufighter of the car is pretty airtight. This does mean that you don't get a good airflow through the cabin though unless you crack a window open slightly hence the modification when they did the Beaufighter. My Brigand had vent slots in the parcel shelf to the wings and I am pretty sure that there are also breather panels in the parcel shelf into the boot, although I am happy to stand corrected on that. The 412 definitely doesn't have this.
Paul
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