Product Showcase

Cobra’s new Speedsters exhaust system is available in long and short versions. Each comes with the PpowerPort crossover chamber for increased power, and also have full length heat shields and chromed billet tips. The PowerPro 2-into-1 is non-bluing. Cobra Engineering, 714/692-8180
Pro-Tec Mach 1
Pro-Tec’s new Mach 1 exhaust system — air box mod, carburetor jetting, and some simple tuning adjustments — reportedly makes horsepower gains of 6.7 @ 6000 RPM; 4.7 @ 8000 RPM and 11.6 @ 10000 rpm on the YZF450F. Features include bright thermal coating, a USFS-approved spark arrestor, and a removable end cap for the use of Pro-Tec’s Adjustable Noise Suppression kit. Pro-Tec, 909/698-8988
Pro Circuit Ti-4
Providing weight savings and greater response, the Ti-4 titanium off-road exhaust system can be used with an OEM or Pro Circuit header, comes with a CNC-machined modular end-cap design for tunable power, a wire-mesh spark arrestor, and steel Allen screws to make repacking the E-glass pillow packing easier. Pro Circuit, 909/738-8050
White Bros. E2
Offered with a tunable end-cap and a removable spark arrestor insert that meets USFS and AMA regulations, the E2 silencer is constructed of one-piece aircraft-grade aluminum alloy, a stainless steel inlet and mid-pipe and billet aluminum mounting brackets.White Brothers, 714/692-3404
Big Gun ’04
For 2004, Big Gun offers new systems for Cannondale quads; the Bombardier DS90; Honda CRF250R, CRF450R, TRX450R, XR/CRF50; Kawasaki KFX700, KFX/LTZ400; Suzuki RM250; KTM 450 and Duke II; Polaris Predator 500; and Yamaha YZ/WR250/450, YFZ450 and Raptor 50.Big Gun Exhaust Systems, 800/870-4461
Benz Silent Rider
Makers of the Benz Silent Rider muffler for utility quads claim the silencer reduces exhaust noise by 60% with no loss of power or performance. Made of 14-gauge aluminized steel, the Silent Rider comes with heat shield and turndown pipe. Benz Silent Rider, 252/459-9789
HMF Penland Pro
Used by Team Kawasaki, this T-6061 aluminum canister is filled with Silent Sport brand pillow packing and features stainless steel rivets, TIG welded aluminum brackets, and two-piece billet end caps that accept a USFS-approved spark arrestor and the HMF quick-change low dB Quiet Core. HMF Performance, 866/463-7473
Lose weight and add power with carbon fiber or titanium mufflers from Muzzys. Carbon fiber unit weighs only 3.5 lbs.; titanium unit weighs 4.6 lbs. Both have plished billet aluminum end caps that fasten with polished button-head Allen screws and a stainless steel laser-cut mount strap. Muzzys, 541/385-0706
BUB has built motorcycle pipes for more than 25 years, and now also offers product for ATVs. Check out BUB’s Rhinehart line.BUB Enterprises, 530/477-7490 psb

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