What vehicles does the PRL Short Ram Air Intake System fit?

The kit fits all 2017-2021 Honda Civic Si 1.5T (FC1) models and all 2016-2021 non-Si 1.5T Civics, with the 1.5L turbo L15B7 engine. It fits most variant models including 6MT, CVT, RHD and international models.

Does the Short Ram Air Intake System require a tune?

It depends on the option. The Standard Bore option requires no calibration, and no tune is needed for the Street version on the Civic Si. The Big Bore option requires MAF-specific calibration, with Big Bore basemaps available for Hondata and KTuner.

What is the difference between the Standard Bore and Big Bore options?

The Short Ram Air Intake System uses a CNC machined billet aluminum MAF housing in either size. Both use the factory MAF sensor but differ in diameter and profile. Big Bore provides 50% more air volume than Standard Bore.

What power gains does the Short Ram Air Intake System make?

PRL reports that the Standard Bore option is up 15 hp and 12 lb-ft over stock with no tune. With the Big Bore basemap on Hondata or KTuner, PRL reports up 20 hp and 15 lb-ft. Larger gains appear with custom tuning.

Is the Short Ram Air Intake System sensitive to heat soak?

Yes. PRL states short ram intakes are extremely sensitive to heat soak on this chassis, and gains shrink as the intake heats up. PRL recommends its Cobra Cold Air Intake for this platform.

Does the Short Ram Air Intake System fit 2022+ Honda Civic models?

No. This 10th generation kit does not fit 2022+ Civics, which have separate PRL products.

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Description

PRL Motorsports Short Ram Air Intake System for FC1/FK7 Honda Civic 1.5T

The PRL Short Ram Air Intake System pairs a 4-inch air filter with a CNC machined billet aluminum MAF housing, offered in Standard Bore or Big Bore, and both options use the factory MAF sensor. The housing is designed for factory-spec fuel trims, and the Standard Bore option requires no calibration. Choose Big Bore for 50% more air volume than Standard Bore with a MAF-specific calibration.

Features

Short Ram Air Intake System with a 4-inch air filter and a CNC machined billet aluminum MAF housing
Standard Bore: PRL reports up 15 hp and 12 lb-ft over stock with no tune
Big Bore: 50% more air volume than Standard Bore, and PRL reports up 20 hp and 15 lb-ft over stock with the Big Bore basemap
Both housings use the factory MAF sensor and are designed for factory-spec fuel trims
Big Bore basemap calibrations available for Hondata and KTuner

Applications

Honda Civic Si: FC1 | 2017-2021 | 1.5L turbo I4 L15B7
Honda Civic: FK7 | 2016-2021 | 1.5L turbo I4 L15B7

Notes

The Short Ram Air Intake System Standard Bore option needs no calibration
The Big Bore option requires MAF-specific calibration
Fits most variant models including 6MT, CVT, RHD and international models
Short ram intakes are extremely sensitive to heat soak on this chassis, and gains shrink as the intake heats up
Not compatible with 2022+ Honda Civic models
No CARB EO number is listed for this product

Frequently Asked Questions

What vehicles does the PRL Short Ram Air Intake System fit? The kit fits all 2017-2021 Honda Civic Si 1.5T (FC1) models and all 2016-2021 non-Si 1.5T Civics, with the 1.5L turbo L15B7 engine. It fits most variant models including 6MT, CVT, RHD and international models.
Does the Short Ram Air Intake System require a tune? It depends on the option. The Standard Bore option requires no calibration, and no tune is needed for the Street version on the Civic Si. The Big Bore option requires MAF-specific calibration, with Big Bore basemaps available for Hondata and KTuner.
What is the difference between the Standard Bore and Big Bore options? The Short Ram Air Intake System uses a CNC machined billet aluminum MAF housing in either size. Both use the factory MAF sensor but differ in diameter and profile. Big Bore provides 50% more air volume than Standard Bore.
What power gains does the Short Ram Air Intake System make? PRL reports that the Standard Bore option is up 15 hp and 12 lb-ft over stock with no tune. With the Big Bore basemap on Hondata or KTuner, PRL reports up 20 hp and 15 lb-ft. Larger gains appear with custom tuning.
Is the Short Ram Air Intake System sensitive to heat soak? Yes. PRL states short ram intakes are extremely sensitive to heat soak on this chassis, and gains shrink as the intake heats up. PRL recommends its Cobra Cold Air Intake for this platform.
Does the Short Ram Air Intake System fit 2022+ Honda Civic models? No. This 10th generation kit does not fit 2022+ Civics, which have separate PRL products.

About PRL Motorsports

PRL Motorsports started in 2007 as PRL Racing, a small group of enthusiasts outside Pittsburgh, Pennsylvania, united by a single goal: faster lap times. What began trackside quickly earned a reputation for engineering excellence, producing race cars capable of 9-second quarter-mile passes as early as 2007 and 6-second times by 2009. By 2011, the operation had grown into PRL Motorsports, expanding from trackside tuning into full-scale product development and fabrication across Honda, Nissan, Mitsubishi, and Subaru platforms. In 2018, PRL Motorsports made a deliberate shift to focus entirely on manufacturing, concentrating their resources on engineering and producing performance components rather than installation and tuning services. Today, PRL Motorsports operates from a 25,000 sq/ft facility in Export, Pennsylvania, staffed by over 25 professionals and equipped with CNC machining departments, automated cutting stations, dual-spindle lathes, 5-axis milling centers, and robotic loading systems running 24-hour production capacity. Their catalog covers intercooler systems, intake systems, turbocharger systems, exhaust components, and throttle body and intake manifold adapters, many of which carry CARB compliance and SEMA Garage certification. From a 9-second S13 to tuning the first 10th-generation Civic into the 10-second range in 2019, PRL Motorsports has built its reputation on one principle: never settle, always push for the best possible outcome.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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