DC Sports - Cold Air Intake for 04-08 Acura TSX

DC Sports Cold Air Intake for 04-08 Acura TSX – SKU: CAI6016

If you’re hunting for a legit Acura TSX air intake upgrade, this DC Sports cold air intake hits all the key points: more power, sharper response, and better sound without turning your TSX into a headache. Our DC Sports 04-08 TSX intake replaces the factory accordion rubber tube with a two-piece, mandrel-bent aluminum runner that actually lets the K24A2 breathe. You get a steadier shot of cool outside air, smoother airflow, and real gains you can feel from the mid-range to redline—plus that deep induction growl you expect from a proper Acura TSX performance intake.

Key Performance Highlights

• True cold air intake Acura TSX layout – moves the filter into the fender well, where temps often sit up to 30 °F cooler than the engine bay. Cooler charge air = denser oxygen = stronger combustion and more consistent power.
• High-flow, reusable filter TSX intake setup – DC Sports oiled cotton filter flows better than paper while still filtering properly. It’s fully washable and re-oilable, so this washable filter Acura TSX kit is a one-time buy, not a “new filter every service” situation.
• Lightweight intake for TSX – 6061 aluminum intake Acura TSX tubing with a 2.5" ID and smooth, mandrel-bent paths to cut turbulence and resist heat soak. Finished in a wrinkle-black powder coat that looks factory-plus instead of “afterthought eBay special.”
• 50-State C.A.R.B. compliant (EO# D-370-15) for 2004-2007 TSX, so you can run this TSX high performance intake and still pass visual inspection in strict states.*
• Direct bolt-on DC Sports TSX intake system – built for the CL9 chassis with properly sized silicone couplers, stainless T-bolt clamps, and all needed brackets in the box. No weird hardware runs, no drilling.

Daily-Driver Friendly

This isn’t a “race-only, live-with-the-quirks” Acura TSX throttle response kit. You bolt it on, fire it up, and your car just works. No check-engine lights, no hacked sensors, no idle drama. Around town you’ll notice crisper tip-in and smoother part-throttle transitions; at highway cruise, the DC Sports cold air intake stays quiet enough that you won’t hate it on long drives. Lean on it, though, and it wakes up with a proper intake snarl.

Built by Enthusiasts, Proven by Testing

On a stock ECU, back-to-back dyno pulls show consistent gains of about 5–7 whp and 6–9 lb-ft with this high flow intake Acura TSX setup. It’s not just peak numbers either—you see the DC Sports cold air intake carry improvements through the mid-range where you actually drive. Heat-soak testing shows quicker intake air temp recovery compared to the OEM piping, so power stays more repeatable whether you’re in stop-and-go traffic or doing repeated pulls. We run this same TSX cold air intake kit on our own CL9s and daily them without drama.

*If you own a 2008 TSX, double-check local regulations. The current CARB EO specifically covers 2004–2007 model years.