The Big Gun Eco Series was designed with a few things in mind: performance, power, sound and craftsmanship. Big Gun Eco Series guarantee that the Eco Series delivers these things all without hurting your wallet.Made for most popular models, the Eco Series is made from 0.049 stainless steel tubing and a 6061 brushed aluminum muffler canister. All Eco Series Exhausts are slip-on systems only. Big Gun EVO U Slip-On Features. Economically priced slip on exhaust. 6061 brushed aluminum muffler housing. 304 stainless steel mid pipe. Black powder coated stainless steel end tip. Slip fit mid-pipe design allows for movement of sub frame & prevents breaking. 3-5 horsepower gain on most models. Removable screen-type USFS approved spark arrestor. At Advantage Distributing all items are in stock and available at the time of listing. Our fulfillment rate is 99.9%. Powered by Solid Commerce The All-in-One Listing, Inventory & Order Management Solution. The item "Big Gun ECO Series Slip On Exhaust for Yamaha Raptor 660 2001-2005 ATV 07-2612" is in sale since Thursday, December 18, 2014. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Accessories". The seller is "advantagedistributing" and is located in Bangor, Maine. This item can be shipped worldwide.