L15-6-210-12 10th Gen Front-Pipe Exhaust

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Locate the engine under tray to gain access to the connection between the front-pipe and down stream exhaust

Use 5mm Allen Key to remove the two (2) bolts shown in green circles

Use 10mm socket & ratchet to remove the five (5) bolts shown in red circles

Use a flathead screwdriver to remove the fifteen (15) plastic push-clips. Orange arrows & circles identify push-clips in Step 3

Yellow square identifies cross-member in Step 6

The bracket highlighted in yellow is not found on SI models

Use large flat head screw driver to remove push-clips on each side of undertray

Use 14mm socket & ratchet to remove the 4 bolts holding the cross member

This bracket is not found on the SI models

Locate the connection between the front-pipe and down stream exhaust

Verify that the exhaust is not to hot to touch, if still hot use a fan to cool the exhaust piping before proceeding

Use 14mm socket & ratchet to remove three (3) OE nuts in red circles, as shown

Front-pipe back exhaust has been removed for clarity of image, but doe snot need to be removed to relocate the heat shield out of the way

Use a 10mm socket and ratchet to remove the six bolts holding the heat shield

Relocate the heat shield in the direction of the arrow

With front-pipe back exhaust installed; Set the heat shield on the pipe. You only need to provide clearance around the flange

With front-pipe back exhaust removed; Remove the heat shield from the vehicle

Apply a small amount of silicone spray to the end of the hanger rod

Use the tongue and groove pliers as shown to remove the rubber hanger

Use a 14mm socket and ratchet to remove the three OE nuts

It is possible that the stud will thread out of the downpipe flange. This is not an issue, the stud can be threaded back into the flange like a bolt

Remove the OE front-pipe from the vehicle through the access point directly under the engine

Locate the provided "house" gasket for front-pipe installation

Install the provide "house" gasket between the flanges

Align the studs through the flange then hand tighten the nuts

Use a 14mm socket & torque wrench to torque each to 30-40 ft-lbs

Reinstall the OE rubber hanger

Reinstall the OE heat shield with the bolts hand tight

Use 10mm socket & toque wrench to torque to 6-8 ft-lbs

The location of the flat washers, flanges, and split lock washer are critical for proper fastening and vibration resistance.

17mm M10 Nut

M10 Split Lock Washer

M10 Flat Washers

Exhaust Pipe Flange Location - Between the two flat washers

17mm M10 Bolt Head

Locate the provided "tri-bolt" gasket for front-pipe installation

Locate QTY=3 provided 35mm length assembled M10 bolts

Locate QTY=3 provided step nuts

For your assistance in installing the 27WON Front-Pipe, we have laid out the installation with the 27WON Front-Pipe Back Exhaust and OE Front-Pipe Back Exhaust

Step 16 Show the installation with the 27WON Front-Pipe Back Exhaust

Step 17 Show the installation with the OE Front-Pipe Back Exhaust

If you are connecting to the OE front-pipe back exhaust, skip to Step 17

Install the provide tri-bolt metal gasket

Using the 35mm length M10 bolts, insert the bolts through the front-pipe flange first

Install the provided step washers and nuts as shown

When using the step washer, DO NOT use the flat washer and split lock washer

It is important that the provided step nuts are used with the 27WON Front-Pipe Back Exhaust to properly align the flanges

While hand tightening the nuts, verify that the step washers inserting into the flange correctly. Use a 17mm socket & torque wrench to torque the bolts to 30-40 ft-lbs

If you have already connect your Front-Pipe to the 27WON Exhaust then you can skip this step

Install the provided metal gasket

Using the 35mm length M10 bolts, insert the bolts through the front-pipe flange first

See Step 13 for hardware setup

Install the remaining washers and nuts. Use a 17mm socket & torque wrench to torque the bolts to 30-40 ft-lbs

Start the vehicle to check for leaks or rattles. If none, then take a spin around the block for further verification. If you do find a leak or rattle, please inspect the exhaust further

A leak could be caused by a loose flange bolt, improperly used gasket, or if debris is stuck between the gasket and flange

A rattle could be caused by misaligned pipe or a rubber hanger being orientated incorrectly

If you have exhausted all investigation then give us a call and we would be happy to help and resolve the issue with you

Re-install the 10mm bolts with a 10mm socket & torque wrench. Torque to 8-12 ft-lbs

Re-install the 5mm socket flange bolts with the 5mm Allen key & torque wrench. Torque to 6-8 ft-lbs

Re-install the push clips at the bottom of the undertray and the sides (shown in Step 20)

Re-install the push clips at the side of the undertray

Re-install the cross member. Use a 14mm socket & torque wrench to torque the bolts to 25-35 ft-lbs

The bracket highlighted in yellow is not found on SI models

This completes the installation of your 27WON Performance Exhaust

We hope you were impressed with your 27WON experience and love your new exhaust for years to come. Email us at sales@27won.com or call us at 571-271-0271 with any questions or concerns

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