Quiet Performance Muffler
QP (Quiet Performance) Internal Mufflers
(For Dual Exhaust Only!)
(muffler only, stack ordered seperately)
• Quiet as Stock Mufflers*
• Meets Federal and California Sound Levels
• 6.2% Fuel Mileage Increase (avg.)
• 3% HORSEPOWER Gain
• No Turbo Lag, Faster Acceleration
• Easy Installation
• Fits Inside 5", 6" or 7" Stacks (dual only)
• Straight Stack Look WITHOUT the Noise!
* Driving and Acceleration only, NOT engine braking.
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QP-5LC or VK-5 Internal Dampener 5" x 45" Add to your Pipe
Grand Rock
OEM PRICE $817.00YOUR PRICE $617.00QP-5LC or VK-5 Internal Dampner 5" x 45" Add to your Pipe PIPE NOT INCLUDED At Truck Pipes USA we offer you a large variety of exhaust systems for All Kenworth trucks on the road today. Browse our site and you will see that...GRCVK-5OEM PRICE $817.00YOUR PRICE $617.00