No matter the condition of your 1961 Series 70, OPGI has the Mufflers & Resonators products you need to boost performance and get you back on the road. We currently carry 81 Mufflers & Resonators items to choose from for your 1961 Series 70, and our Price Match Guaranteed prices range from as little as $45.99 up to $567.99. OPGI offers Magnaflow plus four other trusted brands of Mufflers & Resonators products for your 1961 Series 70, to help you find quality parts you can rely on. With OPGI's 45-day return policy, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Mufflers & Resonators items in person.