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NASCAR exhausts

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The last time we looked at NASCAR exhausts was a year ago; at the time, some of the focus from the individual teams and the exhaust manufacturers would have been on reducing the mass of the exhaust system. A big, heavy stainless system would be a real handicap for teams trying to reach the reduced minimum weight limit. In the film ‘Snatch’, the line “Heavy is good, heavy is reliable” refers to guns, not NASCAR exhausts, and while some people might apply the same to...

Formula One – 2014 and beyond

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There are huge changes afoot in Formula One. The rules that initially gave us the incredibly high-revving V8 engines heralded a period of relatively little change; the engines were described as ‘frozen’ but there were always little opportunities for performance development, which meant that engines were responsible for some pretty major increases in car performance. In recent years, many of the performance increases have come from exhausts and the associated mapping and engine...

Trends in World Superbike exhaust design

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When I first started watching World Superbike almost 25 years ago, the bikes racing on track were sometimes little more than showroom-spec machines with race tyres, a kit exhaust and the lights removed. The race exhaust systems were very similar to the road systems, although a little less restrictive and much lighter. Rob McElnea scored a third place for the Padgett’s race team in the 1990 Hungarian World Superbike round on a Yamaha OW-01. I was very taken with the OW-01, so when I was...

Touring Car exhausts

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Somehow the name ‘Touring Car’ doesn’t seem to fit well with the on-track action. These machines are hardly the beautiful coupes of yesteryear, with a luggage rack and which were actually designed for touring. Touring car racing is now hugely popular, from the fire-breathing DTM cars to the slightly more docile but no less exciting WTCC and BTCC entries that continue to attract top drivers and manufacturer backing. These are, after all, road-going cars – you are meant...

GT exhausts

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The rigours of endurance racing make such events a real test of the machinery and the team behind it, and the exhaust system of any car or motorcycle needs careful consideration in its design, from the general layout through to the smallest details. GT racing has always been the backbone of national and international endurance car racing. In the good times there is the money to support big-budget Prototypes, but there is always a very healthy, well supported base of GT teams that offer...