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full turbo back 3" mongose and it has made an unbelievable diffirence to the car it is a bit loud though went to ikea recently up the motorway the drone at constant speed iz bad , but the roar up through the gears is imense (£225 off ebay including delivery thought it was to good to be true maybe just a backbox and centre section ) but no , a brand new still wrapped mongose including down pipe RESULT !!!!!!!!!!!!!
MY03 WRX:- decat uppipe;TSL thundercat downpipe; decat centre; Ninja backbox.
Sounds the bollox! LOL.
I did have a 300 quid Subaru backbox before that, the 4" round jobby, but that was poo so i sold that at great loss, lol again to a pal.
I've got just a backbox,a vortex afterburner at the minute,which sounds nice & not too loud.But decat is the way to go,i've just found out that my 01 bug-eye has 3!!....
Jay, is yours compete CAT removal or CAT back in three pieces. Sold my red one so now I'm gonna get the Vortex from the CAT back, as long as it don't need a remap. Let me know,
De-cat downpipe, HKS Super Drager centre & back box on a classic WRX. Lovely deep rumble. Plenty of whining, whistling and fluttering to be heard since the de-cat.
MY01
Prodrive decat downpipe (Short twin dump)
Sti decat uppipe
HKS Hi-Power knuckle back system (Not the silent Hi Power)
This is a GREAT sounding system, loud enough and a fabulously complex sound that changes though the rev range.