661 Magnum Muffler Cover
Dyno proven design that will increase power and reduce engine temperatures.
We examined every detail and engineered these to withstand the harshest conditions imaginable. Proudly MADE IN THE USA and backed by a LIFETIME warranty.
Fits the following: Stihl MS 661
CNC Machined from 6061 T6 Billet Aluminum (dissipates heat significantly faster than steel).
Stainless Steel hardware, to include longer top screws for mounting the cover on your saw.
Replaceable Stainless Steel UCFS Approved Spark Arrestor.
*After installation tuning or recalibration is required for optimal performance.*
*Lifetime Warranty covers defects in materials and workmanship arising from normal use and does not cover damage caused by misuse, abuse, neglect, or alterations.*
Dyno proven design that will increase power and reduce engine temperatures.
We examined every detail and engineered these to withstand the harshest conditions imaginable. Proudly MADE IN THE USA and backed by a LIFETIME warranty.
Fits the following: Stihl MS 661
CNC Machined from 6061 T6 Billet Aluminum (dissipates heat significantly faster than steel).
Stainless Steel hardware, to include longer top screws for mounting the cover on your saw.
Replaceable Stainless Steel UCFS Approved Spark Arrestor.
*After installation tuning or recalibration is required for optimal performance.*
*Lifetime Warranty covers defects in materials and workmanship arising from normal use and does not cover damage caused by misuse, abuse, neglect, or alterations.*
Dyno proven design that will increase power and reduce engine temperatures.
We examined every detail and engineered these to withstand the harshest conditions imaginable. Proudly MADE IN THE USA and backed by a LIFETIME warranty.
Fits the following: Stihl MS 661
CNC Machined from 6061 T6 Billet Aluminum (dissipates heat significantly faster than steel).
Stainless Steel hardware, to include longer top screws for mounting the cover on your saw.
Replaceable Stainless Steel UCFS Approved Spark Arrestor.
*After installation tuning or recalibration is required for optimal performance.*
*Lifetime Warranty covers defects in materials and workmanship arising from normal use and does not cover damage caused by misuse, abuse, neglect, or alterations.*