FK7-6-101-10 Front-Pipe Back Exhaust

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If you are looking for the installation instructions for the 27WON SI Sedan Exhaust please follow this link: https://www.performanceinstalls.com/Guid...

The following instructions are shown with no bubble wrap or cardboard for clarity of the installation process.

We recommend leaving as much protective bubble wrap/cardboard on the exhaust as possible during install to protect against scratches and dings during the process.

Cut holes in the bubble wrap to expose on the flanges, hanger rods, and fastening locations

The 27WON packaging is not only designed to get your performance parts to your doorstep safely, but to also provide you with an awesome garage banner and/or comfy cardboard mat to lay on under your car for installation

You can cut out the banner as shown with the orange square

Or you can use the entire unfolded box as a mat to lay under your vehicle

Remove the staples from the box as they don't feel great on your backside...

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

Use 10mm socket & ratchet to remove the bolts

Orange arrows identify push-clips in Step 5

Yellow square identifies cross-member in Step 6

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

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 3 OE nuts

This step and the next are meant to show you how to remove a rubber hanger - Parts are not being removed from the vehicle at this time

Exhaust hangers can be difficult to remove without lubricant

Apply small amount of silicone spray lubricant to end of hanger rod

Use tongue & groove pliers to press the rod out of the rubber hanger

Hook the lower jaw to the edge of the rubber hanger. Hook the end of the upper jaw on the end of the rod to push the rod out of the hanger

Support the exhaust mid-section with a jack stand, bungy, or second set of hands before the next step

Support Mid-Section forward of the resonator as shown

Support Rear Muffler Section in two locations as shown

Locate the dual rod rubber hanger in the exhaust mid section

Use the tongue & groove pliers to pull the rubber hanger off the chassis rod in the direction of the red arrows

The rubber hanger will come off with the OE exhaust

Forward single rod rubber hangers

Rearward dual rod rubber hangers

Pull the single rod hanger completely off the hanger rod and pivot out of the way as shown

Complete for both passenger and drivers sides

Pull the dual rod rubber hangers off the exhaust hanger rods; the rubber hangers will stay on the vehicle

Lower the exhaust to the ground and remove from under vehicle

Before starting the installation of 27WON Performance Exhaust please identify the required orientation of the rubber exhaust hangers

Each dual rod rubber hanger has "UP" formed in the mold on the center part of the rubber hanger. Verify that the "UP" on the rubber hanger is up before installing the 27WON exhaust

Remove any debris/residue remaining on the OE front pipe

The surface should be clean and smooth for good gasket sealing; the result should look as shown

An assortment of tools can be used to remove the old gasket material. For example: scraper, sand paper and scotch bright pad, sand paper wheel...etc then cleaned with WD-40 and break clean

Do NOT remove the OE studs found in the front-pipe; these are used for installation

Expose the hanger rods through the bubble wrap, but maintain bubble wrap protection on remaining exhaust

Install the OE dual rod rubber exhaust hanger into the hangers of the 27WON exhaust

Use of silicone spray may be needed

Verify that "UP" is up on the OE dual rod rubber hanger

Locate the rearward mid-section exhaust pipe

This process is performed off the vehicle for best results

Locate QTY=3 sets of 35mm length M10 bolts

Locate QTY=1 tri-bolt gasket

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 and tri-bolt gasket Location - Between the two flat washers

17mm M10 Bolt Head

Expose the flanges through the bubble wrap, but maintain bubble wrap protection on remaining exhaust

Position the forward and rearward mid-section inline with the flanges circled in red next to each other.

Install the provided metal gasket

Using the 35mm length M10 bolts, insert the bolts through the forward mid-section pipe

See Step 20 for hardware setup

Install the remaining washers and nuts. Get the bolts snug, but leave loose enough for each pipe to move independently

Locate QTY=2 sets of 35mm length M10 bolts with spacer nut

Spacer Nut

Where hanger bar will go

Locate the muffler section

Locate hanger bar

Expose the hanger rods and bolting locations through the bubble wrap, but maintain bubble wrap and cardboard protection on remaining exhaust

The two brackets on the hanger bar circled in red will align with the holes in plate on the muffler section also circled in red

Hardware stack-up shown. Note location of hanger bar and muffler bracket

Muffler bracket in this gap

Hanger bar in this gap

Example of hanger bar mounting shown

This is a different exhaust but the hanger bar mounts the same for FK7

Align the bar onto the muffler section as shown and secure with the head of the bolt towards the exhaust tips

This image does not show spacer nut. Make sure spacer nut is in place

Use a 17mm socket and torque wrench to torque the bolts to 30-40 ft-lbs

Verify that "UP" is up on the OE dual rod rubber hanger

An extra set of hands may be useful for this step. Also the use of silicone spray on the hangers may be helpful with installation

The hanger bar is located on the top of the 27WON exhaust

Insert both forward hangers as shown

Then raise the rear end of the muffler section up and insert both rearward hangers

Verify that the bead of the hanger rod is through both forward rubber hangers as shown

Verify that the bead of the hanger rods are through the dual rod rubber hangers as shown

Verify that the hanger bar is not contacting the chassis. Move the muffler section rearward if the hanger bar is very close or touching the chassis

Position the rubber hanger as far forward on the hanger rods as possible to provide clearance for the chassis hanger rod

Silicone spray may help installation on the chassis hanger rod

Install the assembled mid-section pipes onto the vehicle. Mount the rubber hanger on the chassis hanger rod. Verify the rod bead is fully through the rubber hanger

Re-position the rubber hanger rearward so it is against the hanger rod beads

Locate QTY=3 provided step nuts for OE front pipe

Locate QTY=3 step washers that came with your front pipe for connecting exhaust to 27WON front pipe

Locate QTY=2 provided tri-bolt gaskets

Locate QTY=3 provided 35mm length M10 bolts

If you have 27WON front pipe installed then skip to the next step

Install the provided tri-bolt gasket onto the OE front-pipe

Align the studs through the flange then hand tighten the step nuts

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

If you have the OE front pipe installed then skip to the next step

Install the provided tri-bolt gasket

Install the provided step washers and nuts as shown

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

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

Use a 17mm socket & torque wrench to torque to 30-40 ft-lbs

Connect mid-pipe to muffler section

Install the provided tri-bolt gasket between the muffler section and the rear mid-pipe section as shown

Install the 35mm length M10 bolts

See Step 35 for hardware setup

Use a 17mm socket & torque wrench to torque the middle flange bolts to 30-40 ft-lbs

Remove the protective bubble wrap and cardboard from the 27WON exhaust system as shown

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

Re-install the push clips at each side of the untertray

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

Stand back from the car and verify that the tips are centered and have sufficient clearance from the bumper

If the tips are not centered try gently shaking the exhaust to settle the rubber hangers

If the tips are sitting high, there may be a rubber hanger that is upside-down. Verify that all hangers are orientated correctly

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

Exhaust may smoke for the first 30 minutes or so of use. This is normal

Exhaust sound will settle a bit during the first 100 miles of use. This is normal.

Your Honda has a cold start system which causes louder exhaust for around 15 seconds when you start your car cold

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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