MBRP S6212 User manual

S6212 © 12/17 Page 2 of 4
Removal of Stock System:
1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators.
2. Loosen the nut on the band clamp located behind the catalytic converter.
Refer to Figure 1.
3. Remove the muffler and tail pipe from the OEM rubber hangers. To remove the
system in one piece, on 03-04 models, the bottom shock bolt
of the passenger side shock must be removed. This is not required on
05 or 06 models. Separate the stock exhaust at the slip joint located
Figure 1 behind the catalytic converter and remove the muffler and tail pipe from
under the truck. Re-install the bottom shock bolt.
4. Remove the catalytic converter by removing the two nuts holding the inlet
flange together. Retain the nuts for there-installation of the catalytic converter.
Refer to Figure 2.
Figure 2
5. Remove the down pipe from the turbo by removing the band clamp. Retain the band
clamp for the installation of the new down pipe.
Refer to Figure 3.
Cut the down pipe in front of the transmission cross member to remove.
(Note: The stock down pipe can be removed in one piece by removing the
transmission cross member. MBRP Inc. recommends that this procedure
only be done by qualified, trained professionals using tools and equipment
designed to safely carry out this process.)
Figure 3 Installation of MBRP Inc. Performance Exhaust:
1. Install the Down Pipe in the same position as the stock down pipe and attach the
flared end to the turbo using the stock band clamp. Do not fully tighten until all
components are in place.
Refer to Figure 4.
Figure 4
2. Attach the Mid Pipe to the Down Pipe using a 3 ½" Clamp to secure the
Slip joint.
Refer to Figure 5.
Figure 5

S6212 © 12/17 Page 3 of 4
3. Attach the 42" Extension Pipe to the Mid Pipe. For Extended Cab Short Bed
vehicles this is the only Extension Pipe required. For Crew Cab Long Bed vehicles
you will require the full length of both the 32" Extension Pipe and the 42" Extension
Pipe. For Extended Cab Long Bed and Crew Cab Short Bed vehicles the 32"
Extension Pipe will have to be cut. For Extended Cab Long Bed vehicles attach the
two extension pipes and cut the 32" Extension Pipe to a combined, attached length of
571/4". For Crew Cab Short Bed vehicles attach the two extension pipes and cut the
32" Extension Pipe to a combined, attached length of 55 1/4".
Figure 6 Refer to Figure 6.
4. Install the Muffler over the Extension Pipe. Install the Hanger Band Clamp at the
connection between the Muffler and the Extension Pipe and installed into the OEM rubber
hanger at this position. Install the “T” Hanger Band Clamp into the two OEM rubber
hangers located above the outlet of the Muffler.
Refer to Figure 7.
5. Install the 4” Band Clamp onto the Tail Pipe and then connect the Tail Pipe to the Over
Axle Pipe. Then from the rear of the truck, slide the assembly over the axle and attach to the
Muffler Outlet. Install the tail pipe hanger into the OEM rubber hanger, then adjust for best
axle clearance and Tail Pipe exit location to complete.
Refer to Figure 8.
Figure 7
6. Install the provided clamps around the pipes where needed. Adjust the
Tail Pipe and check along the whole length of the exhaust system to
ensure that there is adequate clearance around the fuel and brake lines or
any wiring. If any interference is detected relocate or adjust.
7. Make sure the exhaust is in place before tightening the clamps. Start at the front of
the exhaust system and begin tightening all connections.
8. Install and adjust the Tip to suit.
Figure 8

S6212 © 12/17 Page 4 of 4
Congratulations! You are ready to begin enjoying the improved performance and driving experience of your MBRP
Inc. performance exhaust system. We hope you enjoy your purchase.