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Forest legal spark arrestor will meet the mandated 96dB sound level set by the US Forest Service making it the quietest 2-stroke performance spark arrestor made
as well as an accelerator pump
Graves Motorsports Yamaha R1 Smog Block Off Plugs 98-03
Uses OEM switches or equivalent (not included)
Utilizes a "Power Chamber" for added performance and cross over distribution
DYNOJET Jet Kit - Kawasaki GPZ550 2107 Springer Fork — Lowers 2.00" Forest legal spark arrestor willStage 1: stock engine filters, stock modified pipes; about a 5% power increase Stage 1: stock engine filters, stock modified pipes; about a 5% power increase Stage 2: stock mild modified engine, stock modified pipes, stock modified filters; about an 8% power increase Stage 3: stock mild modified engine, stock modified pipes, individual air filters; driveability may be compromised, N A for some motors; about a 10 15% power increase Stage 7: race only,