Upgrading My C3 Corvette Exhaust System - Need Recommendations!

Accessories & Modifications
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Introduction

I’m looking to upgrade the exhaust system on my C3 Corvette and I’ve hit a bit of a wall. I want to enhance both the sound and performance, but I’m not sure where to start.

Year and Model

To give you some context, I have a 1975 C3 Corvette. It’s a classic beauty, and I want to keep it that way while making it a bit sportier.

What I’m Looking For

  • Sound: I want a deep, throaty sound that truly reflects the car’s spirit.
  • Performance: I’m also interested in any systems that can boost horsepower.
  • Fitment & Compatibility: I want something that fits well without needing too much modification.

Questions

  1. Recommendations: What brands or specific models do you all recommend?
  2. DIY or Professional: Should I go the DIY route or hire a professional? Any experiences to share?
  3. Costs: What should I expect to pay for a good exhaust system?

Additional Thoughts

If you have any links to online retailers or local shops, I’d definitely appreciate it! Thanks in advance for your help; I’m excited to hear what you all have to say!

7 Likes
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I’m in the same boat! I’ve been considering Dynomax or Flowmaster. I hear they really boost performance and sound nice too.

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I had a Flowmaster system on my C3, and it gave my car that perfect throaty growl. Highly recommend it!

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For a performance boost, you might want to look into Borla systems. They’re a bit pricier but well worth it. Great sound without being obnoxious.

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I’ve heard great things about Borla too! Do you know how easy they are to install?

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Installation is pretty straightforward for most setups. Just make sure you have the right tools! I did mine in a weekend. Also, check the material; stainless steel lasts longer.

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I’ve been looking at stainless vs. aluminized. Any insights on longevity? It feels like a crucial choice!

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Definitely go for stainless. Aluminized can rust out within a few years, especially in wet climates.

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I actually love the sound of a vintage-style exhaust. Sometimes less is more! Have you considered a quieter system?

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Quiet? No way! I’m all about that roar! Just installed a MagnaFlow on mine; it sounds like a beast!

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Everyone has different tastes! I want loud but not obnoxious. Moderation is key, right? What’s your take?

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Agreed! I think you need balance. Too loud can be annoying on long drives.

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Haha, imagine a C3 with a silent exhaust. Talk about a contradiction! It’s like a librarian trying to be a rock star.

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Now that’s an image! But seriously, it’s all about what fits your style. Go loud if that’s your jam!

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Has anyone tried an X-pipe or H-pipe configuration? I’ve heard they can enhance sound quality significantly.

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I installed an X-pipe last summer, and the difference was night and day! Smooth engine notes.

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Upgrading the exhaust on a C3 is a fantastic way to boost performance! I recommend going for a stainless steel system for durability. Make sure you have all the necessary tools like a jack, jack stands, and a good set of wrenches ready before starting the install.

6 Likes
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Great suggestion! I installed a Flowmaster system on mine last summer. The sound is incredible and the installation process was pretty straightforward. Just ensure you have some extra clamps on hand just in case.

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I’ve been looking into the MagnaFlow system, but I’ve heard mixed reviews. Can anyone share their experience with this brand? I’m concerned about the fitment and sound quality.

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I installed a MagnaFlow on my C3, and the fit was perfect! The sound is deep and aggressive without being overly loud. It’s worth considering if you’re after a good balance of performance and sound.