Outer Limits 4x4 Board

Hey guys! Just popped over from the Daihatsu section to help a mate! I'm looking for Tailgate reflector and a partial parcel shelf for a Mit. Challenger. Any ideas where one is being broken (Preferably UK) or a cheap source for parts as the dealership wants approx. £250 for each which just isn't ...

Cheers for the interest guys!

No, it doesn't happen when it's stationary
No, it happens in all gears
Yes, the engine is under load when it makes the noise, usually booting it up hills or hitting 70 mph

I've got a nice big set of round Cibie's on mine and they look smart, highly recommended!

Guys i'm worried, my sporty is also making noises as soon as I hit 3000rpm I get a noise, hard to describe a sort of strangled-cat-like-meow, semi rotory, a bit like the start up of a wind up siren (apologies for the description!) Again no visible signs of damage, no power loss and it only happens ...

Greetings, I've tried the locals, now i'm looking internationally for help! I've got a '96 Sportrak Anjou 1.6ELXi (That's a Feroza/Rocky to the non British!) and at about 3000 rpm I get a flat spot in the acceleration, yes I do have that big black box slapped on the top of my engine (which i'm told ...