Cobb Stainless Steel Cat-Back Exhaust with Oval Tips — 2008-2015 Mitsubishi Evo X
The Cobb Stainless Steel Cat-Back Exhaust with Oval Tips for the 2008-2015 Mitsubishi Lancer Evolution X is a mandrel-bent 304 stainless steel exhaust system designed for the 4B11T turbocharged platform. The oval tip outlets provide a distinctive visual presentation at the Evo X rear fascia alongside improved exhaust flow that complements the Cobb Accessport calibration.
DETAILS
- Platform: 2008-2015 Mitsubishi Lancer Evolution X 4B11T MT
- Material: 304 stainless steel — mandrel bent throughout
- Tips: oval stainless tips — distinctive appearance at Evo X rear fascia
- Improved exhaust flow — reduced backpressure for 4B11T turbocharger
- Sound: improved character over stock, tuned to minimize highway drone
- All hangers, gaskets, and hardware included
- NOTE: Ships via UPS/FedEx — signature required at delivery
4B11T Exhaust Flow and Oval Tip Visual Character
Cobb’s stainless steel cat-back exhaust uses mandrel-bent 304 stainless steel tubing throughout — mandrel bending maintains consistent tube diameter through bends rather than collapsing the inner radius, which eliminates the flow restriction that crush-bent exhaust tubing creates. The smooth, consistent bore allows spent gases to exit with minimal turbulence and backpressure. The reduction in backpressure has a direct effect on turbocharger performance: lower exhaust backpressure means the turbocharger can spool more freely, reaching boost targets faster and maintaining them with less effort from the engine. The stainless steel construction resists the corrosion and scaling that degrades factory and lower-quality aftermarket exhaust systems over time.
Evo X-Specific Fitment, Sound Tuning, and Complete Hardware
The oval tip cat-back for the Evo X is designed specifically for the 4B11T platform — correct hanger positions, oval tip placement at the rear fascia opening, and sound tuning appropriate for the turbocharged four-cylinder. The Evo X’s 4B11T responds to reduced exhaust backpressure with improved turbocharger efficiency. The oval tips provide a visual statement unique to this configuration: the wide, low tip profile is identifiably different from round tips and suits the aggressive character of the Evolution X rear end.
What’s in the Box
- Cobb stainless cat-back with oval tips
- All hangers, gaskets, clamps, and hardware
Why Choose Cobb Tuning
Cobb Tuning has been developing performance software and hardware for turbocharged enthusiast vehicles since 1999. Founded in Austin, Texas, Cobb built its reputation on the Accessport and expanded into a full catalog of hardware engineered to complement it. Every OTS map is developed in-house on real vehicles, and every hardware product is validated as part of a complete system — not sourced and sold in isolation. That integrated approach is why Cobb produces consistent, reliable results across the builds we see every day.
The RallySport Take
The Cobb stainless cat-back with oval tips for the Evo X is for 4B11T builds that want the Cobb system’s performance improvement with the visually distinct oval tip presentation. The improved exhaust flow works with the Accessport-calibrated 4B11T, and the oval tips provide a visual character that sets the Evo X apart even from other exhausted cars on the same platform.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008-2015 | Mitsubishi | Lancer Evolution X | 4B11T MT |
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