Italian exhaust manufacturer Mivv is now offering systems to suit Yamaha’s middleweight R7. The SR1 is a road legal, Euro 5 compliant system made from stainless steel with a titanium end can in a choice of black or natural finishes with a carbon weave end cap. Mivv says the entire system will save half a kilo in weight over the stock exhaust, and will add a useful 5.9hp. The second Euro 5 compliant system uses its GP Pro end can, which is TIG welded by hand and has a carbon fibre finish. This system save 1.6kg over OE, and adds 2.4hp.
In addition, Mivv offers a pair of track systems which are freed from from the shackles of Euro 5 legislation. The all-stainless SR1 system adds 5.2hp and 5.5Nm of extra torque while shedding 2.3kg, and the MK3 utilises Mivv’s MotoGP experience for the stainless steel pipework and its gloss finish carbon fibre end can. This adds 7hp and saves 3.8kg compared to OE kit.
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