Availability: Production will begin when we return their prototype! Cambridge Lambretta 01223 516662 or www.lambretta.co.uk

The Indian-built roadsters have proved hugely popular since going on sale earlier this year, regularly topping sales charts and have only been outsold overall by the all-conquering BMW GS. Availability: Now, from AF Rayspeed (01944 710693 or www.afrayspeed.co.uk) and numerous other dealers. We love their retro charm as well as their keen prices but, like with most new bikes out there, we also wished for a bit less weight and a bit more power. Thankfully, the men from Milwaukee have come to the rescue. Elsewhere, the front driveshafts have been beefed up and there’s a Quaife torque-biasing differential to replace Ford’s open differential. Interestingly, the rear axle, which in the standard Focus RS is never asked to cope with more than 240bhp of the engine’s 345bhp total, has been left untouched.And so thrashing the scooter on the dyno could commence. For each exhaust, once warmed up the scooter was ‘ridden’ through all four gears and a reading also taken of a third gear roll on, the results of which have been published here.

Ifit has to be Ford, and a special Focus RS at that, Litchifeld’s more subtle, 410bhp effort is also worth a look. on most six cylinder engines. The after market in the USA are way ahead and usually know what they're on about as do the aftermarket in Germany. They say: This is aimed at tuned engines on Series 1 and 2s. We think that the JL road and race pipes are the best value for money pipes on the market, especially for an European product, light and easy to fit. Please note that in each graph, the red lines show the standard exhaust used for the base run and against which each other (green) is compared (light shades = power, dark = torque). Casa Lambretta Big Bore Clubman THIS SYSTEM IS NOT TUV APPROVED OR E-MARKED. As this system has no catalytic converter, it cannot be marked TUV approved. Silencers are laser marked EU noise legal only.If you want more still from your 650 S&S have also created a pair of hi-compression pistons that boost the compression from 9.5:1 to a whopping 11:1. Peco exhausts are made to fit specific applications. Their assembly plant uses precision manufacturing jigs to ensure exact replication of all original prototypes.

Increasing the bore size of your exhaust is one way to achieve better performance from your vehicle. In simple terms a big bore exhaust means that you replace the standard bore exhaust system with a larger size bore. However, there is a lot more depth to this subject and it can differ from car to car. As has already been said, the matching of the 'bell end' to the manifold is critical - does it match? Next is to get a really good strong clamp, as in the picture, to make sure that you get a good seal to the system. For a second opinion beyond the conclusions we’ve drawn, we asked John Balcombe of JB Tuning, which as a long time scooter mechanic, tuner and racer is a pretty experienced one.Front pipes & Silencers also available separately, can be mixed & matched with the O.E parts – please see other listings. But what blasts they are. At around 2800rpm the torque curve spikes violently as the turbo wakes up and piles on 250lb ft in the space of 1000rpm. The acute torque-steer that follows is a candid reminder that the throttle pedal goes both ways, though if you keep your cool you’ll find the M520 never drags you screaming into a hedge, no matter how real the threat at first may seem. And so to the meaty bit. It is important when looking at the graphs to appreciate all of what the dyno tells us, and not just the line you want to repeat down the pub (usually mph!). Power and torque are the keys here ladies and gents. As such, what this test has taught us if nothing else is that like ‘horses for courses’, different exhausts suit different scooters. Balls out fast riding, drinking a tank full of fuel every 30 miles, tripping speed cameras left right and centre? Then you’ll be looking for different characteristics to the couple that want reliable two-up touring on a scooter capable of dragging everything including the kitchen sink around, uphill and down vale.

Another point worth remembering is that if your use is touring, then ordinary steel exhausts are easier to weld than stainless steel items, thus you’re more likely to find someone who can fix it (even if only temporarily) if you’ve snapped a pipe in the middle of nowhere. Oh and despite having to trim fins to fit the TS1-like barrel stubs of the JL and B-Race, this is a small price to pay I feel for improving what is a terrible design flaw of the Lambretta and making it far easier to remove the exhaust in the future. They say: The Ancillotti is an all-rounder aimed at all engines, tuned and standard, for people that want to retain the standard look, and you can remove the head cowling without removing the downpipe. Forty years at the forefront of automotive exhaust manufacture and ISO9001 quality assurance guarantees your piece of mind.• Mild or stainless steel constructionIf they are unable to make delivery, a calling card will be left to inform you of the attempt. Couriers will generally make two attempts of delivery; after this time it will be your responsibility to collect the parcel from the local delivery depot near you. Availability: Problems with suppliers not delivering delayed first batch, but second lot should be available by July 2007. 01822 617624 or www.b-racetuning.co.uk All it requires is a tube-type drill sleeve of a suitable diameter, it needs to be a proper professional one.