K20-6-329 11th Gen K20 Short Ram Intake

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This guide describes a process to install your new Short Ram Intake (SRI) in a 2022+ Honda Civic

The SRI comes partially assembled to make install easier. Components can be loosened and adjusted if needed to dial in fitment but we recommend the SRI is installed as it comes first

Open the hood to gain access to the intake air box

Unplug the connector for MAF sensor using your fingers

Using needle nose pliers pinch the backside of the wire clip and push it through the hole as shown

Push the MAF sensor wiring to the side as shown

Use a 10mm socket and 3/8" ratchet to remove the two (2) bolts securing the rubber shroud

Rubber shroud should be able to freely pull off of the intake inlet. Remove and set aside

Use a 10mm socket and 3/8" ratchet to remove the two (2) bolts securing the intake bracket

Use a 3/8" drive ratchet, a long extension, and a 10mm socket to remove two (2) bolts that hold the intake in place

Using a 5.5mm socket and a 3/8" ratchet loosen the clamps on the airbox lid, and the throttle body

Using pliers pinch the clamp securing the hard line in the intake tube and slide clamp up

Pull the hardline out of the intake tube

You can disconnect other rubber connections attached to the hardline to allow hardline more movement

This can be a PITA and you can get hurt when it breaks loose. Use Caution

Next, the airbox lid and intake tube will be removed together

Pop the two (2) clips securing the airbox lid using your fingers

Pull the rubber factory intake tube off of the throttle body

The intake tube can get stuck to the throttle body, be careful not to rip the tube or injure yourself in the process

Once the factory tube is free from the throttle body, the tube and airbox lid will easily come out of the engine bay

The OE intake should be free to remove now and only attached to the lower sound dampener

Wiggle the airbox and pull it up at the same time to loosen the airbox from the lower sound dampener

This does not come apart easily the first time and may feel like you're breaking the airbox. This can be a PITA and you can get hurt when it breaks loose. Use Caution

Remove intake from the car

OPTIONAL: You can remove the lower sound dampener. This process is not described here

Using a small Phillips screwdriver, remove both screws securing MAF sensor to OE Airbox Lid

Use care when handling this sensor. It should not be dropped, abused, or otherwise gotten dirty

Gently install MAF Sensor into the 27Won MAF Housing as shown using the provided socket cap screws and a 3mm hex wrench or bit

You should be able to press MAF sensor into the bore by hand. Do so evenly

You can use a little motor oil on the o-ring if necessary

Attach throttle body silicone to the MAF housing in the orientation shown, with the provided 76-84 T-bolt clamp

Do not tighten the clamp at this time as you will have to rotate the assembly later for proper fitment

Place the SRI on the throttle body with the provided 67-75mm T-bolt clamp

Reinstall the hard breather line into the SRI and tighten the provided worm drive clamp with a flat head screw driver

Rotating the silicone on the throttle body can make installation of the hard line much easier

A rotation issue here can cause the filter to sit too high or too low

Using a 3/8" ratchet, a 10mm socket, and the provided 67-75 T-bolt clamp securely attach the SRI to the throttle body as shown

Remove both M6 nuts as shown. There are washers under the nuts. Those remain in place

Remove bolt from ECU bracket as shown with 3/8" ratchet, extension and 10mm socket

Set bracket over clamp nuts and finger tighten the same two M6 nuts back in place

Pull the SRI bracket on top of ECU bracket and finger tighten bolt as shown

Use provided clamp to securely attach throttle body silicone to MAF housing as shown

Do not overtighten clamps at the MAF. MAF warpage can occur which could impact Fuel Trims (LTFT). Use just enough force to keep MAF from coming out of the silicone. This is a setting of 2-4 on most drivers

Using a 3/8" ratchet and 10mm socket fully tighten ECU mounting bolt

Bracket should fit well and throttle body silicone should not be collapsing. If either is not the case, try rotating the throttle body silicone up at the throttle body

Square up bracket at clamp end and secure nuts

Make sure clearance between loom. If necessary rotate the throttle body silicone up at the throttle body

Reconnect MAF sensor plug

With SRI installed properly, there should be some give in the MAF wiring

Make sure the plug fully seats on sensor

Optional: Remove wire clip using wire cutters or a small flat head screw driver

Using a panel clip tool remove eight (8) plastic clips from the intake shroud on the hood

You might find it easier to gently pull the rubber off the clips then remove the clips from the hood. In this way, they can be reused

Remove intake shroud for proper SRI hood clearance

You'll notice many new sounds with the SRI installed. You can hear the intake sucking air and releasing pressure. This is normal, most people love these sounds and it's part of the reason people install SRIs

SRIs can result in higher intake air temperatures. 27WON does not recommend running a SRI in the following scenarios

In the summer in very hot places

Regular, heavy stop and go driving for long periods of time

This completes the installation of your 27WON Short Ram Intake

We hope you were impressed with your 27WON experience and love your new intake 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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