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Stage 1 Exterminator Kit // 2017-2020 ZR 9000 / XF 9000

SKU: AC9000EXT-1

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Speedwerx Stage 1 Exterminator Kit

Our Exterminator Kits are designed to ensure our customers are running the correct combination of parts for their particular model. Our Exterminator Kits are designed for everyday type riding and require premium pump gas. We have grouped different options of our performance parts together to ensure our customers are looking at the correct combination of parts, giving you the confidence that you are getting the best bang for your buck.

Stage 1 Exterminator Kit Includes:

  • L2 Stainless Steel Stage 1 Lightweight Muffler
  • Hypershift Clutch Kit
  • Aluminum Panel Vent Kit

The Stage 1 Exterminator Kit is for those that want increased power and performance without re-mapping the stock ECU. It features our TIG welded 304 Stainless Steel Stage 1 Lightweight Muffler- after extensive testing, we are seeing a solid 15hp gain over stock with no mapping or fuel changes, with a nice 8lb weight loss as well. We took special care in the design to make sure boost levels and safe air-fuel ratios were maintained with this muffler- our testing showed other configurations like our Stage 2 muffler made more power, but the boost level had increased and the AFR's became lean. This package also comes with a Hypershift Clutch Kit to ensure you are putting the power to the ground, and our Aluminum Panel Vent kit to keep things cool underhood.

Billy Howard from our Eastern Distributor Howard’s Inc. brought his machine to DynoTech Research where they ran the three maps in addition to the stock baseline and our Stage 1 muffler that does not require an ECU remap. Click here to see Jim’s write-up with the results and some additional notes and tech info-

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These items are intended for closed-course competition only. Alternation of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.