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Exhaust Systems Polaris® RZR XP® Turbo

HMF Racing Big Core (Turbo Back) Exhaust Instructions

For Models: RZR XP® Turbo (2016-2019), RZR XP® 4 Turbo (2016-2019), RZR XP® Turbo S (2018-2019), RZR XP® 4 Turbo S (2019-2019)

Removal

1. Remove the Rear Bumper.

2. Remove the Stock Muffler Assembly, being careful not to let the Down Pipe fall.

3. Remove the Heat Shield from the frame, behind where the Muffler used to be.

4. Remove the Heat Shield that attaches the Turbo to the Downpipe.(See Figure #1)

Big Core (Turbo Back) Exhaust Instructions - Figure 2

5. Remove the O2 Sensor.(See Figure #2)

Big Core (Turbo Back) Exhaust Instructions - Figure 1

6. Remove (4) M8 Bolts with a 6mm Allen holding the Downpipe to the Turbo.

Installation

Big Core (Turbo Back) Exhaust Instructions - Figure 4

1. Install the supplied mounting bracket with stock hardware off of the vehicle.(See Figure #3)

Big Core (Turbo Back) Exhaust Instructions - Figure 5

2. Install the Downpipe to the Turbo.(See Figure #4)

Big Core (Turbo Back) Exhaust Instructions - Figure 6

3. Slip Muffler onto Downpipe.(See Figure #5)

Big Core (Turbo Back) Exhaust Instructions - Figure 7

4. Install the Muffler to the Bracket with the (2) M10 x 1.5 x 40 Hex Bolts, (2) Fender Washers,(2) Flat Washers, and (2) M10 x 1.5 Nylock Nuts.(See Figure #6)

Big Core (Turbo Back) Exhaust Instructions - Figure 8

5. Install the Springs from the Muffler to the Downpipe(See Figure #7)

Big Core (Turbo Back) Exhaust Instructions - Figure 9

6. Install the O2 Sensor.(See Figure #8)

Big Core (Turbo Back) Exhaust Instructions - Figure 10

7. Tighten the Downpipe Bolts and reinstall the Heat Shield.

Discussion

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