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I want to fit a magnex systm but only ever here of the, cat back, is that all they do? wolud it make any differance it i just fitted a back box?
Also piper x induction or filter element?
Reckon the general concenses on here would be to get the full cat back system plus a de-cat pipe, with just a replacement filter element that is housed in the original air-box.
I just got a 3.5" twin magnex back box and it looks and sounds great - was £175 fitted at Elite - could of gone for the cat back but was twice the price.
They do a 6" x 4" oval pipe but i prefer the twin 3.5" - whatever floats ya boat.
Regards filters, would touch an induction kit, just replace the filter.
One of the advantages of the cat-back option is that there is no butchering required. The middle section and backbox are all in one piece on the 172 exhuast, so for a backbox-only theres gotta be some cutting.
i have a piper x induction kit on mine and it sounds better than my mates who has a K&N think his melted once!!just got a mongoose full system on now and it sounds awesome i have a de-cat on mine and it gives me more power all through the rev range +it burbbles when i gear down and when i tap the accelertor over 4500 i can get loud bangs and small flames out of the exhaust cool hey?