Js Racing Stainless Hearder 4-1 w/ Thermal Wrap (GD3) Honda Fit 07-08

J's Racing Stainless (SUS304) header combined with a special thermal wrap. The thermal wrap increases exhaust temperatures and velocity, which contributes to higher horsepower and lower engine bay temperature 4 (28�) -1 (40�) structure J's Racing header will significantly increase the horsepower of your engine at all rev ranges.?(Almost 10 hp can be gained and documented in a dyno test.) It is made of light SUS304 with a 1.2mm to 1.5mm thickness. Each is beautifully handmade by professional craftsmen with amazing detail.