I have the Dejon IC pipes and just installed the Hahn BOV system and it does not come close to fitting so i had to take off my right Dejon IC pipes and put the factory back on. The Hahn BOV elbows bend in a way that you cant use it with aftermarket pipes. I even tried cutting the Dejon pipe and would fit.

bummer!!!
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2008 Pontiac Solstice GXP (Brazen)
Modifications:
- Fujita CAI - Bi-Xenon HID Head Lights - Xenon HID Fog Lights - Black Billet 14" Antenna - Black Racing Stripes - Solo Performance Mach Exhaust with 3" Cat - Custom Painted Engine Cover - Dejon Aluminum IC Pipes - Dejon Steel Throttle Body Elbow - Denso Iridium Spark Plugs - Hahn Intercooler - Hahn BOV System - Hahn P/S Upgrade - Garmin 780 GPS