The primary section of the exhaust, which is mandrel formed to ensure uniform cross section and dimensions ensuring a guaranteed fit and performance, uses high quality 1.5mm section 304 stainless steel tube. No rejetting or remapping is required after fitment however we always recommend a dyno test after fitting replacement exhaust parts to your motorcycle. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Headers, Manifolds & Studs". The seller is "4into1motorcycleparts" and is located in this country: US.
This item can be shipped worldwide.