The right sound. The right power.

Main Improvements:

1. DB Levels are within 1-2dbs of stock OEM mufflers

2. Horsepower and Torque increases vary, But are higher than stock.

3. Pyrometer Temperatures have dropped as much as 100º

4. Turbo Charger "Spools" up quicker

5. Straight stack look. Smooth 5", 6", 7" Baffles fit inside the stacks.

6. Mileage up from stock. On the trucks tested, Mileage ranged from 6% - 9% increase

7. All Steel construction

8. Easy Installation

9. Less Restriction, Runs cooler

10. Idles better, Exhaust is Pulled out rather the Pushed.

Your Test results may very according to conditions and engine setups. During testing mileage did not drop below the normal obtained mileage. Tests were done on both single and dual exhaust engines.

SOUND TEST RESULTS

Drive by with Dual OEM Mufflers - 80dBA
Drive by with 5" Straight pipes and NO Mufflers - 97dBA
Drive by with 5" QP Mufflers - 81dBA
Drive by with 6" QP Mufflers - 81dBA
Drive by with 7" QP Mufflers - 80dBA
Test Vehicle: 2000 Peterbilt 379 Conventional
        Engine: 525 HP Electronic N14 plus Cummins
        Trailer: 2000 Stoughton 102" x 53' van LOADED with a 35,000 pound net load

Test was conducted on a concrete road in an Industrial Park with buildings, trees, etc., giving a "REAL LIFE" simulation, NOT controlled lab results. These test are for COMPLETE vehical sound, not just exhuast sound levels. Drive by test was measured @ 50' @ 6' high, with the engine under acceleration at the loudest point of the pull. Engine brakes are still loud with our QP Mufflers. Other engines my be quieter or louder by design.

DRIVE TIRE HORSEPOWER RESULTS

*Test were conducted on a Calibrated Chassis Dyno at Williams Diesel; Hubbard, Ohio. The truck was in 18th gear, direct drive with the engine fan on: 100% load on the wheels.

On four different engines, the turbo lag was GONE, everyone stated that the turbo spooled up FAST with a touch of the accelerator pedal.

FUEL MILEAGE STATEMENTS

These are average gains, pending on load, weights and weather conditions. These may change, but overall there has been a gain across the board!

As we get more feedback and results we'll update everyone with the FUEL SAVINGS!

REDUCE YOUR COST PER MILE!!

Requires two (2) holes drilled through stack.

FUEL COMPARISON TEST

Owner: Rick Dearing
           525 HP N14 PLUS Cummins
           7" stacks and Spiral Baffles
          
           Based on 100,000 miles per year.
           Regular mileage: 5.96 MPG   Fuel is 16,778 Gallons @ $1.48 per gal. for
           100,000 miles = $24,832   Regular mufflers
   
           Improved mileage with Spiral Turbo Baffles.
           6.35 MPG (gain of 6.5%)  Fuel is 15,384 Gallons @ $1.48 per gal. for 
           100,000 miles = $22,769
          
         
           Savings of $2063.00. Minus the cost of the Spiral baffles $625.00 = $1438.00
           Fuel savings is enough to go 6165 FREE miles.

           These figures are based on past history of the individual truck and driver.
           Your gains CAN vary depending on weight, weather, road conditions, etc.

Introducing the New 8.0" QP (Quiet Performance)
Stock Replacement Muffler

• 5.9% 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

• STS - US Patent Number 6,796,403 B1

  NAME & ENGINE	STOCK 10" MUFFLER MPG	QPM-851 MILEAGE	MPG GAIN	% GAIN
  Truckmen Corp. N14 Cummins 500 HP	5.99	6.13	.14	2 1/2
  Truckmen Corp. N14 Cummins 475 HP	5.74	6.12	.38	6
  Sandridge Foods ISX Cummins 525 HP	6.00	6.20	.2	3 1/2
  Sandridge Foods N14 Cummins 400 HP	6.09	6.52	.43	7
  Avery Tank Lines Mack V Mac 2 427 HP	5.60	6.35	.75	13 1/2
  BG Express 12.7 L Detroit 500 HP	7.00	7.60	.60	8 1/2
  Tube Express 11.1 L Detroit 400 HP	6.00	6.48	.48	8

8.0" Baffle

For a main supplier call Grand Rock @ 800-321-3674 North America

Introducing the "NEW" 10.0" Direct stock replacement Baffle/Muffler System.
These are new, but will be displayed at the Louisville Truck show in March.
Call for more Info & Pricing
Great for Fleet Applications
Cost Savings to your business is "HUGE"

New 10.0" Baffle

Testimonials

Brent A Shaw
Southport 77 inc.
Panama City Beach, FL
"Love'm! Southern Equipment in Orlando, FL ordered and installed exactlly what Paul suggested I use. My 2000 KW W900 is getting almost 1MPG getter (5.65MPG -- now 6.54) I know it will do better if I stay off the pedal,, It just sounds to good, exhaust temp. is down 100 degrees and the turbo spools up fast!
Thanks guys for a great product that delivers!!
(3406 CAT 550 horse power dual 5" QP-5LC)

Jim Varsey -C15 CAT dual 7" stacks 5.93 to 6.28 MPG

Lonny Jerbsky - ISX Cummins Dual 6" stacks 6.41 to 6.73 MPG

Dave Osborne -M11 Cummins QPM-851 6.2 to 6.44 MPG

Calculate and Save on Fuel Mileage
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