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June 30, 2026 By Tapout

2024 CADILLAC CT4-V BLACKWING 506 WHP TWIN TURBOCHARGED

Seth from Michigan had us install colder spark plugs and EPA catted downpipes on his beautiful Velocity Red 2024 CT4-V Blackwing. He left his intake and throttle body stock and we were still able to put down 506 whp. with our world class custom dyno tuning.

Filed Under: Tuning News

May 21, 2026 By Tapout

Tapout Tuning’s Memorial Day sales promotion is LIVE and will run until Tuesday, May 26!

Filed Under: Tuning News

May 19, 2026 By Tapout

Another Happy Customer!

Kevyn from Ohio brought his CT4-V Blackwing to us for some upgrades.  We installed a JB4 tuner, Gigs ported throttle body, Brisk spark plugs and Tapout Tuning resonated downpipes.  We look forward to seeing Kevin again in the future for his next round of mods.

Filed Under: Tuning News

May 1, 2026 By Tapout

Megachip Splash Guards for your Blackwing!

Megachip splash guards are made from a proprietary flexible rubber originally designed for autocross durability. Their goal is to provide an OEM+ fit and finish that strikes a balance between aesthetic appeal and effective protection against rock chips, particularly for the wide rear quarters on the CT4-V Blackwing and CT5-V Blackwing models. Megachip splash guards are sold in sets of four and are now in stock for immediate shipment.

Filed Under: Tuning News

April 29, 2026 By Tapout

2018 ATS-V M6

After researching tunes, I called Scott and I chose Tapout.  I am very pleased with my tune, along with same day shipping.  He communicated throughout the process.  My car runs excellent and has no lights on the dash.  Highly recommend!

Ken from Oregon

Filed Under: Tuning News

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