MBRP S7254 - Manual (Page 2)

S7254 © 07/13 PAGE 2 OF 3
- Mustang GT Catted H-Pipe
Note; This Kit requires the installation of
MBRP S Header Kit
Removal of Stock H-Pipe
1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and
rubber insulators.
2. Loosen both OEM clamps located at each muffler inlet, and both OEM band
clamps at the H Pipe outlet. Lift the lock tab to slide the band clamp rearward.
Do not discard these clamps.
Refer to Figures 1 and 2.
3. Remove the OEM over axle pipes by lowering the inlet ends and pulling
them out towards the front of the car.
4. Remove both M10 bolts that secure the Panhard Bar Brace to the Driver Side
Frame rail. Pull the brace downward to allow more room to remove the OEM
mufflers. Slide the rubber isolator off the rearmost muffler hangers, then slide
the muffler assemblies forward to remove them from the car.
Refer to Figure 3.
2. Install your S7228 Header Kit as per the instructions included in the kit.
Installation of MBRP Inc. Performance Exhaust:
1. Assemble the Driver side H Pipe and the Passenger side H Pipe on the
floor. Be sure the expanded portion of the 2.25” Crossover Pipe is on the driver
side of the car and that the appropriate clamps have been loosely installed.
Refer to Figure 4.
2. Install a 3” Clamp over the outlet of each MBRP Header.
Refer to Figure 5.
3. Install the H pipe assembly onto the car by sliding the H pipe onto the header
collectors.
Refer to Figure 6.
4. Remove the rear O2 sensors from the OEM Cats and reinstall them in the
MBRP H pipe.
Refer to Figure 7.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5