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Removal of Stock System:
1. Separate the stock exhaust system at the slip joint by the muffler. Remove the rear exhaust from rubber hangers and remove the system from under the truck.
2. Using a 15mm socket or wrench, remove the two (2) bolts at the turbo flange and remove the stock down pipe.

Installing Your Front Section of MBRPinc:
1. Install the Down Pipe in the same position as the stock down pipe placing the hanger into the OEM rubber insulator and attaching the flared end to the turbo using the supplied hardware. Do not fully tighten until all components are in place.
2. Loosely install the Extension Pipe over the Down Pipe. The Extension Pipe may require cutting to accommodate vehicles other than the Quad Cab long bed.

Installing Your Rear Section of MBRPinc:
1. Loosely assemble the in bed portion of the “T” Pipe assembly. Some models may require trimming of the “T” Pipe in order to accommodate the width of the truck bed and the stacks that have been purchased. Be sure to place the clamps over the pieces before they are assembled.
2. Place the Stacks onto the “T” Pipe assembly and place into the desired position in the truck bed. The “Long 90” should be on the driver side so that the “T” Pipe passes through the bed floor on the passenger side. Refer to Figure 1.
3. Place the Mounting Brackets between the Stacks and the front of the truck bed so that the Stacks are properly spaced from the front of the truck bed. Center the Mounting Bracket on the Stack and mark the front of the truck bed in the center of the slotted holes in the Mounting Brackets. Center punch the marks and drill holes to accommodate a 3/8” Bolt. Refer to figure 2.
4. Loosely attach the Mounting Brackets to the front of the truck bed using the 3/8” hardware supplied. Set the Stacks up in the bed and loosely attach them to the Mounting Brackets. Make sure the Stacks are in the desired position and the “T” Pipe assembly is level.
5. Mark the bed floor where the “T” Pipe is resting. MBRPinc. recommends tracing around where the “T” Pipe meets the bed floor. Refer to figure 2. Remove the Stacks and “T” Pipe assembly from the bed of the truck. Find the center of the circle traced onto the bed floor, mark and center punch it. Go under the vehicle and locate the center punch mark. This marks the location where you are going to cut a hole for the “T” Pipe to pass through the bed of the truck. If you cannot find the center punch mark measure to it in the bed and transfer these measurements under the vehicle. Make sure that there is clearance for the Elbow to pass by any frame cross members. Remove or modify any heat shields that there is any interference shields that there is any interference with.
6. Cut a hole through the truck bed providing adequate clearance around the part of the “T” Pipe that passes through the truck bed. MBRPinc. recommends using a 5” diameter hole saw. It may be required to cut part of a bed rail away.

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