Mufflers - Grand Rock Truck Exhaust Systems
Mufflers - Grand Rock Truck Exhaust Systems
Mufflers - Grand Rock Truck Exhaust Systems
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MUFFLERS, CONVERTERS, & SHIELDS<br />
QP (Quiet Performance) Internal <strong>Mufflers</strong><br />
(For Dual <strong>Exhaust</strong> Only!)<br />
(muffler only, stack ordered seperately)<br />
The most efficient integral sound reduction<br />
system for 5", 6" or 7" DUAL<br />
(non-reduced) straight stacks<br />
• Quiet as Stock <strong>Mufflers</strong>*<br />
• Meets Federal and California Sound Levels<br />
• 6.2% Fuel Mileage Increase (avg.)<br />
• 3% HORSEPOWER Gain<br />
• No Turbo Lag, Faster Acceleration<br />
• Easy Installation<br />
• Fits Inside 5", 6" or 7" Stacks (dual only)<br />
• Straight Stack Look WITHOUT the Noise!<br />
* Driving and Acceleration only, NOT engine braking.<br />
For Dual <strong>Exhaust</strong> Only!<br />
55<br />
1-800-321-3674<br />
www.grandrock.com
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