However, the "best" system depends on your priorities (sound, performance, budget). There's no single best recommendation without knowing more about your goals.
To recommend something, I need more information:
* Your budget: Exhaust systems can range from a few hundred to well over a thousand dollars.
* Desired sound: Do you want a loud, aggressive roar, a throaty rumble, or something more subtle?
* Performance goals: Are you looking for significant horsepower gains, or is this mostly for sound and aesthetics? (Headers *will* give some performance gain, but the exhaust system itself contributes less dramatically than headers.)
* Engine modifications: Do you have any other engine modifications (cam, intake, etc.)? This affects what exhaust system will work best.
Once you provide this information, I can give you more specific recommendations. In the meantime, I suggest you check out these reputable manufacturers:
* Flowmaster: Known for their diverse range of mufflers offering different sound profiles.
* Hooker Headers: A popular choice for headers, known for their quality and performance.
* Pypes Exhaust: Offers a wide variety of systems, often catering to those seeking a more aggressive sound.
* SLP: (Street Legal Performance) Offered performance parts for Camaros for years and may still have some exhaust options.
Remember to check compatibility before purchasing any system, ensuring it fits your specific 1986 IROC-Z28 (specifically the engine size - likely a 5.0L V8, but confirm). You may also want to check your local emissions regulations, as some aftermarket exhaust systems may not comply.
