Exhaust
Pre-Owned GT3 Muffler Adapter Kit for 981
Listed for981GT4, Clubsport, Spyder, Boxster / Cayman
$3,895
Regular price
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In stock · only 1 left
Welded parts (mufflers, headers) usually ship in about 7 business days. We call you if that changes.
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30-day Dundon GuaranteeLove it or send it back within 30 days.
Dundon Motorsports stands behind our products with a 30-day love-it guarantee. We are confident in the quality and performance of our upgrades, but if for any reason they don't meet your standards or help you push your performance on track, you can send them back within 30 days.
Overview
Pre-owned kit. Inspected and ready to install. Expect light cosmetic wear.
Put a GT3 muffler on your 981 Cayman or Boxster. This adapter kit connects a Dundon-compatible GT3 muffler to any 981 chassis car, and it's the same hardware we use in our D4 GT4 power package.
Built from 2.5" 321 stainless steel for a lifetime of trouble-free use. The integrated 2.5" valves keep flow routed through the upper path of the GT3 muffler while cruising to kill drone, then open up when you're on it for full flow and full sound.
Running race headers? Add the optional 200 CPSI catalytic converters and convert a race-headered car back to a catted setup. Putting the cats here lets the headers make their power first, with only a 3-4 whp penalty in our testing.
Kit includes:
- 2.5" 321 stainless over-axle pipes
- 2.5" valves
- GT3 muffler bracket
- GT3 muffler straps
- Optional 200 CPSI catalytic converters
Muffler and tips sold separately.
Specs
- Part numbers
- Manual / Street Car (200 CPSI Cats) / Street Car (with exhaust valves) 981040C-FA1-CFF2S-MAN
- Manual / Street Car (200 CPSI Cats) / Club Sport (no exhaust valves) 98104CC-FA1-CFN2S-MAN
- Manual / Club Sport (no cats) / Street Car (with exhaust valves) 98104CR-FA1-RFF2S-MAN
- Manual / Club Sport (no cats) / Club Sport (no exhaust valves) 98104CR-FA1-RFN2S-MAN-PO
- PDK / Street Car (200 CPSI Cats) / Street Car (with exhaust valves) 981040C-FA1-CFF2S-PDK
- PDK / Street Car (200 CPSI Cats) / Club Sport (no exhaust valves) 98104CC-FA1-CFN2S-PDK
- PDK / Club Sport (no cats) / Street Car (with exhaust valves) 98104CR-FA1-RFF2S-PDK
- PDK / Club Sport (no cats) / Club Sport (no exhaust valves) 98104CR-FA1-RFN2S-PDK
- Brand
- Dundon Motorsports
- Listed for
- 981 · GT4, Clubsport, Spyder, Boxster / Cayman
- Condition
- New
- Transmission
- Manual · PDK
- Catalysts
- Street Car (200 CPSI Cats) · Club Sport (no cats)
- Exhaust Valves
- Street Car (with exhaust valves) · Club Sport (no exhaust valves)
What owners say
450+ independent reviews
Average 5.0 out of 5. Average from verified buyers, collected by Loox.
Recent reviews from other Dundon owners
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Rated 5 out of 5. Verified buyer
I received the Accessport device very quickly from Dundon, and found the process of uploading the ECU maps to be a simple and smooth process. I previously had OTS tunes from Softronic and Cobb, but I have to say.. what a remarkable change the custom one from Dundon has over the others. The sup...
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Rated 5 out of 5. Verified buyer
Being a shop owner, I've seen dozens of exhaust brands. Non come close to the fitment of this dundon system. Fit Like a porsche OE product, sounds like a RSR Cup car. I'm impressed. You get what you pay for!!!
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Rated 5 out of 5. Verified buyer
Great quality, fit and finish is fantastic, instructions were very thorough. Installed on 991.2 GT3 Cup, raced it the next day and everything held up wonderfully!