Automotive Manual PDF

Removal of stock system:
First using 15mm socket or wrench, remove four (4) nuts at flange located approximately under the passenger side seat. Remove rear exhaust from rubber hangers and remove the system from under the truck.
NOTE: If you have purchased the optional front pipe, Remove the stock front pipe on the truck by removing the exhaust hanger on the transmission using a 13mm socket, then remove the band clamp at the front of the pipe, then remove stock front pipe from the truck. ( Note: the band clamp will be re-used during the installation of your new MBRP system)
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Removal of stock system:
1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators.
2. Using a 15mm socket or wrench, disconnect the factory exhaust system at the four bolt flange located behind the catalytic converter. If the vehicle is not equipped with a catalytic converter disconnect the four bolt flange located approximately under the passenger side seat.
3. Remove the exhaust system from the rubber insulators and remove from under the vehicle. If a hoist is not available for use, it may be necessary to cut the tail pipe behind the muffler for removal of the system.
4. Unbolt the OEM hanger from the transmission and remove.
5. Loosen the factory band clamp and remove the stock front pipe. Some vehicles are not equipped with a catalytic converter. Do not discard the band clamp as it is required for the installation.
6. Remove the spare tire. You may not be able to reinstall your spare tire after the installation of this exhaust system.
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Removal of stock system:
First using 15mm socket or wrench, remove four (4) nuts at flange located approximately under the passenger side seat. Remove rear exhaust from rubber hangers and remove the system from under the truck.
NOTE: If you have purchased the optional front pipe, Remove the stock front pipe on the truck by removing the exhaust hanger on the transmission using a 13mm socket, then remove the band clamp at the front of the pipe, then remove stock front pipe from the truck. ( Note: the band clamp will be re-used during the installation of your new MBRP system).
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Removal of Stock System:
1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators.
2. For 2001-2005 vehicles use a 15mm socket or wrench and disconnect the factory exhaust system at the four bolt flange located behind the catalytic converter. If the vehicle is not equipped with a catalytic converter disconnect the four bolt flange located approximately under the passenger side seat. For 2006 vehicles loosen the band clamp located behind the catalytic converter.
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Lay out the exhaust on the floor so it looks like the drawing and compare parts with manual. To remove the stock exhaust, un-clamp it just in front of the muffler. You may need to heat it up for easier removal. Leave all rubber grommets in place. Use WD-40 to aid in removal of exhaust and the hangers. Now cut off your stock tailpipe just behind the muffler
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When installing this exhaust system make sure to use proper safety precautions. Use jack stands when working under the vehicle, set parking brake, block tires and use safety glasses and gloves. Allow exhaust to cool before attempting installation. Severe injury or burns could occur if safety measures are not taken. Disconnect the negative battery cable before removal of OEM exhaust. This will allow the computer to reset and recognize the new exhaust. Lay out the exhaust on the floor so it looks like the drawing and compare parts with manual.
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1 Remove the seat.
2 Prop the fuel tank in the upright position.
3 Remove the airbox lid by disconnecting the two hooks on either side of the airbox (Fig A). Unscrew the bolts on either side of the rear of the airbox or just lift up to remove the air box.
4 Disconnect the two hoses going to the airbox
5 Remove the velocity stacks by turning them counter-clockwise and lifting up (Fig B)
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