New Hooker Troublemaker pipes found an additional 18.8 rear–wheel horsepower and 5.5 lb/ft of torque over a stock 2001 88ci Fatboy. Independent testing performed at Speed's Performance Plus. Numbers achieved with a 46 low speed jet, 190 main jet and K&N® air filter. Stepped, internal head pipe design (Industry’s first) incorporates 38 years of race header technology allowing top-end horsepower without sacrificing low-end torque. Metallic Ceramic Coating on internal head pipes retain heat, increasing exhaust velocity for more horsepower (Industry’s First) and 2 1/2” outer pipe for the ‘Big Tube’ look with no visible blueing. Increased performance over a broad RPM range (most other brands of 21/2” straight pipes lose low and midrange performance). Specific applications for highly modified motors with bigger primaries and larger steps (Industry’s First). Comes with muffler cartridge that delivers a deep rumble sought after by most enthusiasts. Two optional muffler cartridges are also available offering either a smooth mellow sound or loud sound with improved flow. Everything is provided including exhaust gaskets, C-clips, chromed flanges, machined brackets, nuts, bolts and detailed instructions. Troublemaker pipes available for Harley Davidson Softail, Sportster, Dyna bikes. Also check out our new black motorcyle pipes the DARKSIDES!
All Troublemaker pipes come with the mounting hardware and baffles!
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