I've done a before and after dyno test with the orbisoud and maxogen and they were worth 8 bhp. Great mods.
I'd now go for:
ITG panel filter (I could never hear the maxogen over the orb)!
BTB exhaust
Rs tuning custom remap
Just a heads up for all T owners. I managed to find two new Exalto PE2 tyres from a website called TyreLeader.
They're obviously old stock and dated to 2009 but they seem perfectly fine as I'm sure they were stored correctly and the price was fair too at just under £200 for the pair. Delivery...
I managed just fine with doing the same thing as you. You need to slightly heat it first and it peels off in one piece very easily. Heat it once more when sticking it on your own car and it sticks on perfectly too :)
http://www.pistonheads.com/sales/3749403.htm
http://www.ebay.co.uk/itm/230763781613?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
BTW those steel covers on the strut tops in one of the photos are nothing more than covers which are stuck in place with magnets and lift right up. I bought...
Mine also made 156lbs but with 184hp and that was with a custom map, cams, exhaust, maxogen and a reworked inlet. Although it was with a brand new gearbox and low miles on the engine so would've probably given a bit more hp with a few more miles.
Maybe Gaz 535's is just worn in properly with...