PRL Motorsports - Premium Automotive Performance Products

2022+ Honda Civic 3" High Volume Exhaust Adapter

2022+ Honda Civic 3" High Volume Exhaust Adapter - Main image
$34.45 $53 In stock

Category: Exhaust Systems

Fits all 2022+ Honda Civic 1.5L Turbo & 2.0L


Fits all 2023+ Acura Integra 1.5l Turbo


Fits all variant models including Si, CVT, 6MT, RHD, International Models, Etc.

Important Notes:

  • NO ECU CALIBRATION REQUIRED

Technical Notes:

The PRL Motorsports High Volume Exhaust Adapter is intended to seamlessly transition aftermarket front pipe upgrades to 3" exhaust system upgrades for optimal performance. Each piece is constructed from TIG welded 16 gauge (.065") 3.00" 304 stainless steel.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Sofia ★★★★★

The 3-inch diameter really opens up the exhaust note on my Si without being obnoxious. I’ve had it on for about a week and the fitment was spot on to the factory piping.

Ryan F. ★★★★★

Installed this on my Si and the 3-inch opening really opens up the sound without needing a tune. Fit perfectly on the stock exhaust flange with no issues.

Charlotte ★★★★★

Finally, an exhaust adapter that actually fits the 2022 Civic Si perfectly without any guesswork. The 3-inch high flow design was exactly what I needed to open up the turbo's sound without forcing ECU calibration. My only minor gripe is the instructions could be clearer, but once installed, the diff