Chevrolet Pickup Silverado exhaust stainless steel Bully Dog Rapid Flow Exhaust  trucks GM Duramax - 2004.5-2007 GM Duramax 2500 3500 "Classic" LLY LBZ Engines - 4 Inch (4") - Aluminized Steel - Cat back - Single Exit (Stock Location) CHEVROLET SILVERADO  EXHAUST CHEVROLET PICKUP TRUCK  STAINLESS STEEL EXHAUST GMC SIERRA PICK UP EXHAUST EASILY ADAPTED TO ANY PICKUP IF FRONT FLANGE CHANGED AS MOST PICKUPS USE SAME STYLE BED AND HEADER ARRANGEMENT  I HAVE FITTED THESE TO A DODGE RAM PICKUP TOO- 5.9L DIESEL BY MODIFYING IE WELDING THE ORIGINAL DODGE CONNECTOR TO FRONT MOUNT TO HEADER !   ALSO IN STOCK FOR OTHER YANKS DUAL EXIT AND FORD MODELS TOO- PLUS SEE MY BULLY DOG RAPID FLOW AIR INTAKES FOR DODGE FORD AND CHEVY PLUS TUNERS TOO .

Chevrolet Pickup trucks GM Duramax  Performance Exhaust from Bully Dog Technologies Rapid Flow Exhaust Systems are designed and built with absolute minimal degree angles on bends. This will create the most free flowing low back pressure system in the industry allowing the turbo to move air more freely, reducing exhaust temperatures. Dyno results have shown a significant gain in horsepower by simply switching from stock to Bully Dog's Rapid Flow Exhaust System. 

Made in 16-gauge aluminized steel material. The Bully Dog Rapid Flow Exhaust Systems have the lowest degree mandrel bends offering free flowing and low back pressure. This will lower exhaust temperatures by as much as 200 degrees faranheit and provides 10-20 hp increases dependent upon size upgrade and current horsepower output.
The Rapid Flow Exhaust Systems are designed to fit the following GM Trucks:
  • 2001-2004 GM Duramax 2500/3500 with LB7 Engine (8th Digit of VIN = 1)
  • 2004.5-2007 GM Duramax 2500/3500 "Classic" Body LLY/LBZ Engines (8th Digit of VIN = 2 or D)

  • CHEVROLET SILVERADO  EXHAUST CHEVROLET PICKUP TRUCK  STAINLESS STEEL EXHAUST GMC SIERRA PICK UP EXHAUST  IMPORTED BY US DIRECTLY FROM THE USA NOW IN STOCK IN UK !! IN DERBYSHIRE GRAB A GREAT DEAL-  WE ALSO HAVE FOR LATER MODELS PLUS PETROLS  TOO . PLUS FORD  GMC AND DODGE ETC .
    FINALLY FOR YOUR CHEVROLET  US  PICKUP TRUCK OR GMC SIERRA SAVE A FORTUNE ON FREIGHT AND DUTY / TAXES WE ALREADY PAID EM!!  ALSO FOR CHEVY AND FORD PICKUPS IDEAL FOR LPG  NO ROT ON STAINLESS JUST AN AMAZING DEEP SOUND AND GREAT LOOKS PLUS MORE BHP TORQUE AND ECONOMY- 

    Bully Dog Dodge Exhausts American Made for American Pick up trucks and SUV s performance exhausts fre flowing adds good mpg and power too- plus amazing Deep rumble!

    The Bully Dog Rapid Flow Exhaust Systems have been specially designed to allow the lowest mandrel bends in the industry. The lower mandrel bends allow increased air flow which reduces exhaust tem- peratures, burns more fuel in the combustion chamber adding additional horsepower and fuel economy. This instruction set covers both the 4" STAINLESS PERFORMANCE CHEVY DURAMAX  DIESEL Exhaust  the 4” Rapid Flow Exhaust for the GMC AND CHEVROLET  PICKUPS CALL ME WITH  YOUR YEAR  Both systems install the same way  and come complete with all stainless hangers and mounts/ bolts and full fitting kit included-

    CHEVROLET SILVERADO  EXHAUST CHEVROLET PICKUP TRUCK  STAINLESS STEEL EXHAUST GMC SIERRA PICK UP EXHAUST  IMPORTED BY US DIRECTLY FROM THE USA NOW IN STOCK IN UK !! IN DERBYSHIRE GRAB A GREAT DEAL-  WE ALSO HAVE FOR LATER MODELS PLUS PETROLS  TOO . PLUS FORD  GMC AND DODGE ETC .
    FINALLY FOR YOUR CHEVROLET  US  PICKUP TRUCK OR GMC SIERRA SAVE A FORTUNE ON FREIGHT AND DUTY / TAXES WE ALREADY PAID EM!!  ALSO FOR CHEVY AND FORD PICKUPS IDEAL FOR LPG  NO ROT ON STAINLESS JUST AN AMAZING DEEP SOUND AND GREAT LOOKS PLUS MORE BHP TORQUE AND ECONOMY- 

    Bully Dog Dodge Exhausts American Made for American Pick up trucks and SUV s performance exhausts fre flowing adds good mpg and power too- plus amazing Deep rumble!

    The Bully Dog Rapid Flow Exhaust Systems have been specially designed to allow the lowest mandrel bends in the industry. The lower mandrel bends allow increased air flow which reduces exhaust tem- peratures, burns more fuel in the combustion chamber adding additional horsepower and fuel economy. This instruction set covers both the 4" STAINLESS PERFORMANCE CHEVY DURAMAX  DIESEL Exhaust  the 4” Rapid Flow Exhaust for the GMC AND CHEVROLET  PICKUPS CALL ME WITH  YOUR YEAR  Both systems install the same way  and come complete with all stainless hangers and mounts/ bolts and full fitting kit included-

    CHEVROLET SILVERADO  EXHAUST CHEVROLET PICKUP TRUCK  STAINLESS STEEL EXHAUST GMC SIERRA PICK UP EXHAUST  IMPORTED BY US DIRECTLY FROM THE USA NOW IN STOCK IN UK !! IN DERBYSHIRE GRAB A GREAT DEAL-  WE ALSO HAVE FOR LATER MODELS PLUS PETROLS  TOO . PLUS FORD  GMC AND DODGE ETC .
    FINALLY FOR YOUR CHEVROLET  US  PICKUP TRUCK OR GMC SIERRA SAVE A FORTUNE ON FREIGHT AND DUTY / TAXES WE ALREADY PAID EM!!  ALSO FOR CHEVY AND FORD PICKUPS IDEAL FOR LPG  NO ROT ON STAINLESS JUST AN AMAZING DEEP SOUND AND GREAT LOOKS PLUS MORE BHP TORQUE AND ECONOMY- 

    Bully Dog Dodge Exhausts American Made for American Pick up trucks and SUV s performance exhausts fre flowing adds good mpg and power too- plus amazing Deep rumble!

    The Bully Dog Rapid Flow Exhaust Systems have been specially designed to allow the lowest mandrel bends in the industry. The lower mandrel bends allow increased air flow which reduces exhaust tem- peratures, burns more fuel in the combustion chamber adding additional horsepower and fuel economy. This instruction set covers both the 4" STAINLESS PERFORMANCE CHEVY DURAMAX  DIESEL Exhaust  the 4” Rapid Flow Exhaust for the GMC AND CHEVROLET  PICKUPS CALL ME WITH  YOUR YEAR  Both systems install the same way  and come complete with all stainless hangers and mounts/ bolts and full fitting kit included-

    See my other MSD and. Autronics DUAL PICKUP ZERO CROSS billet distributors ignitions boost timing masters. Zero Cross stuff Superchips tuners all must go! Mike message me any questions