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Performance Muffler, Quiet Performance Muffler, High Performance Muffler, Truck Muffler, Exhaust Muffler, Diesel Performance, Diesel Muffler, Exhaust Systems, Exhaust Tip, Performance Exhaust, Exhaust Pipe, Exhaust Part, Performance Exhaust System, Heavy Truck Muffler, Heavy Truck Exhaust, Diesel Exhaust, Exhaust Stack
SINGLE EXHAUST QP MUFFLERS  |  DUAL EXHAUST QP MUFFLERS  |  MILEAGE CALCULATOR
INTRODUCING THE NEW QP (QUIET PERFORMANCE) REPLACEMENT MUFFLER - SINGLE EXHAUST
3% MINIMUM MPG GAIN, GUARANTEED
Quiet Performance Muffler 1051
• 7.28% Fuel Mileage Increase (avg.)
• Quiet as a Stock 10" Muffler
• Meets Federal and California Sound Levels
• Heavy Gauge, 100% welded construction
• No Turbo Lag, Faster Acceleration
• Easily Installed, Bolts in place
• Patented 2004
Improve your company's bottom line.
* These results are BEFORE quarterly fuel tax payments.
* Figure in for ADDITIONAL savings.
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TESTIMONIALS
Grand Rock Truck Exhaust Systems - Performance Muffler, Quiet Performance Muffler, High Performance Muffler, Truck Muffler, Exhaust Muffler, Diesel Performance, Diesel Muffler, Exhaust Systems, Exhaust Tip, Performance Exhaust, Exhaust Pipe, Exhaust Part, Performance Exhaust System, Heavy Truck Muffler, Heavy Truck Exhaust, Diesel Exhaust, Exhaust Stack
NAME & ENGINE
STOCK 10" MUFFLER MPG
QPM-1051 MILEAGE
MPG GAIN
% GAIN
Truckmen Corp.  N14 Cummins 500 HP
5.99
6.13
.14
2.5
Truckmen Corp.  N14 Cummins 475 HP
5.74
6.12
.38
6
Sandridge Foods  ISX Cummins 525 HP
6.00
6.20
.20
3.5
Sandridge Foods  N14 Cummins 450 HP
6.09
6.52
.43
7
Avery Tank Lines  Mack V Mac 2 427 HP
5.60
6.35
.75
13.5
GB Express  12.7 L Detroit 500 HP
7.00
7.60
.60
8.5
Tube Express  11.1 L Detroit 400 HP
6.00
6.48
.48
8
performance muffler, quiet performance muffler, high performance muffler, truck muffler, exhaust muffler, diesel performance, diesel muffler, exhaust systems, exhaust tip, performance exhaust, exhaust pipe, exhaust part, performance exhaust system, heavy truck muffler, heavy truck exhaust, diesel exhaust, exhaust stack
QPM-1051 INSTALLATION INSTRUCTIONS
1.
Unbolt and remove your inefficient stock muffler.
2.
Bolt our QP-1051 in the same place with the same mounts.
3.
Tighten everything, check for leaks, etc., and drive away.
4.
Track your increase and let us know. We're VERY interested in knowing the additional profits we've helped you gain (email us at sales@grandrock.com).
Grand Rock Truck Exhaust Systems - Performance Muffler, Quiet Performance Muffler, High Performance Muffler, Truck Muffler, Exhaust Muffler, Diesel Performance, Diesel Muffler, Exhaust Systems, Exhaust Tip, Performance Exhaust, Exhaust Pipe, Exhaust Part, Performance Exhaust System, Heavy Truck Muffler, Heavy Truck Exhaust, Diesel Exhaust, Exhaust Stack
Quiet Performance Muffler QP-1051
QPM-1051 Muffler
Quiet Performance Muffler QP-1051
QPM-1051 Muffler
Our mufflers are the exact same as stock, no modifications or spacers needed. Just bolt it on!
* Mounting Band/Bracket NOT included
MILEAGE CALCULATOR
CALCULATE AND SAVE ON FUEL MILEAGE
Use the Mileage Calculator to calculate fuel savings or click here for a printable page you can use in the field:
Date: 
Fuel Savings calculator for: 
STOCK OE MUFFLER * enter numbers only
Miles Driven
Per Year
Current
Miles Per
Gallon
Gallons Used
Per Year
Price Per
Gallon
Fuel Cost
PerTruck
Per Year
Number
Of Trucks
In Fleet
Total Fleet Fuel
Cost Per Year
GRAND ROCK'S QP MUFFLER * enter numbers only
Miles Driven
Per Year
Current
Miles Per
Gallon
Gallons Used
Per Year
Price Per
Gallon
Fuel Cost
Per Truck
Per Year
Number
Of Trucks
In Fleet
Total Fleet Fuel
Cost Per Year
TOTAL FLEET FUEL SAVINGS PER YEAR
GALLONS SAVED PER VEHICLE PER YEAR
TOTAL GALLONS SAVED FOR FLEET, 1 YEAR
FUEL TAX SAVINGS FOR FLEET**
GRAND TOTAL FUEL & TAX SAVINGS PER YEAR
** based on $0.29 per gallon national average
What are you waiting for, $1.00/gallon fuel?
Click Here to locate the QP Distributor nearest you.
Search for Truck Exhaust Systems using our new Truck Exhaust System Part Search.
performance muffler, quiet performance muffler, high performance muffler, truck muffler, exhaust muffler, diesel performance, diesel muffler, exhaust systems, exhaust tip, performance exhaust, exhaust pipe, exhaust part, performance exhaust system, heavy truck muffler, heavy truck exhaust, diesel exhaust, exhaust stack
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