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Exhaust Systems Polaris® RZR Pro XP®

Print Instructions

HMF Racing Big Core (Turbo Back) Exhaust Instructions

For Models: RZR Pro XP® (2024-2024), RZR® Turbo R (2023-2024)

Removal

1. Remove Bed Liner, Rear Fascia Plastic and Stock Muffler Assembly.(See Figure #1)

Big Core (Turbo Back) Exhaust Instructions - Figure 1

2. Remove the Turbo Heat Shield.(See Figure #2)

Big Core (Turbo Back) Exhaust Instructions - Figure 2

3. Remove 02 sensor from Stock Downpipe.

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4. Remove Factory Turbo Downpipe.(See Figure #3)

Big Core (Turbo Back) Exhaust Instructions - Figure 4

Installation

1. Install supplied Mounting Bracket with (4) M6X20 allen bolts. (See Figure #4)

Big Core (Turbo Back) Exhaust Instructions - Figure 5

6. Install supplied Turbo Down Pipe with Factory Hardware. (See Figure #5)

Big Core (Turbo Back) Exhaust Instructions - Figure 6

7. Reinstall Factory Turbo Heat Shield on New Downpipe using Factory hardware.(See Figure #6)

Big Core (Turbo Back) Exhaust Instructions - Figure 7

8. Install New Muffler assembly onto Downpipe and attach to Bracket using supplied (2) M10x1.5 Hex Bolts, (2) Fender washers, (2) Flat Washers and (2) M10x1.5 Nylock Nuts. (See Figure #7)

Big Core (Turbo Back) Exhaust Instructions - Figure 8

9. Reinstall factory 02 sensor. Reinstall Clipped Connector to back side of original bracket. (See Figure #8)

Big Core (Turbo Back) Exhaust Instructions - Figure 9

10. Tighten all Hardware and reinstall Bed Liner.

11. If not installing HMF Rear Bumper at this time reinstall Factory Rear Fascia using Factory T40 Torx hardware.

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