Cooper Nitro Pipe

Cooper Tuned Nitro Quiet-Pipe

Testing indicates the new 2007 Cooper QHP pipes produce more torque and higher RPM and all of these pipes and mufflers test 90 decibels or less on most ponds.

Item#: 21-QHP - For .21 Nitro Engines
Price: $73.95

Item#: 45-QHP - For .45 Nitro Engines
Price: $77.95

Item#: 60/90-QHP - For .60 - 90 Nitro Engines
Price: $87.95

Cooper Pipes were completely re-designed inside for 2005.
Testing confirmed increases in both Torque and RPM.

Item#: 21-QRE - Rear-Exhaust Pipe for .21 Engines
Price: $73.95
Item#: 21-QFE - Front-Exhaust Pipe for .21 Engines
Price: $73.95
Item#: 45-QFE - Front-Exhaust Pipe for .45 Engines
Price: $76.95
Item#: 67-80QFE - Front-Exhaust Pipe for .67 Engines
Price: $79.95
Item#: 90-100 QFE - 2" Front-Exhaust Pipe for .90 Engines
Price: $93.95
Cooper's NITRO Add-on Muffler's
Fits Cooper pipes, but a slotted version is available for others.
(Add $1.50 for "Slotted Add-on" with Clamp)
Item#: Nitro472 - For Nitro Pipes with .472 diameter tip
Price: $30.95

Item#: Nitro506 - For Nitro Pipes with .506 diameter tip
Price: $31.95