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Free up horsepower, ditch the cat, keep the dash clean. This Berk 63.5 mm (2.5″) stainless test pipe replaces the factory catalytic converter, cuts weight, and includes a built‑in O₂ spacer to help prevent check‑engine lights—95 % success on 2000‑2005 AP1 models.
| Year | Chassis | Notes |
|---|---|---|
| 2000‑2005 | AP1 | 95 % CEL‑free |
| 2006‑2007 | AP2 (DBW) | Higher CEL incidence |
| 2008‑2009 | AP2 | Same fit; tune or spacer may be needed |
Direct bolt‑up between the header and mid‑pipe. Soak factory bolts in penetrating oil for easier removal. Average install time: 45 minutes with basic hand tools.
OFF‑ROAD USE ONLY. Not legal for use on public roads or highways. Verify local regulations before purchase and installation.
A tune is optional but recommended to maximise gains and eliminate any remaining CEL on DBW models.
Expect a noticeably louder exhaust note and quicker throttle response; volume depends on your muffler setup.
Yes, the primary sensor remains in the header; the secondary sensor threads into the welded spacer on the test pipe.