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Originally Posted by Jolley Paul, you could definitely do underseat, and it would work. It looks the nuts and saves a lot of work in an off (of which I had too many).. |
In the 7 seasons of DD I've had a few offs as has Kev P and I can't recall either of us having to replace an exhaust, mine has always been side mounted, started with a Micron can off my CBR6 and then fitted the Harris Can and put the Micron back on the CBR6
Kev P had underseat exhausts for the first two seasons but has run side mounted pipes since then.
Dallas has also had a few crashes and the only time I remember him damaging an Exhaust was in his big crash at Pembrey hairpin when the Brake Disc exploded, the exhaust from that crash is still useable unlike a lot of the bike.
I suppose costs need considering, side mounted cans are easy to pick up secondhand and fairly cheap, so easy enough and cheap enough to carry a spare. Undeseat exhausts are usually bespoke systems that cost a few hundred quid to get made and often they are compromised by the space and gaps available for routing them. Add to that they must weigh more as extra pipework is required and that weight is rear biased.
Certainly works in opposition to fitting a lighter fuel tank, as in take a couple of Kilos off the front and add a chunk of that saving to the rear, go figure