Katman Core LLC

Katman Core LLC Catalytic converter broker based in Madison that focuses on proper grading.

Next Tuesday is the last day to get wheels in at our crazy price! Dropped off in Madison chrome, chrome clad, dirty etc...
06/30/2026

Next Tuesday is the last day to get wheels in at our crazy price! Dropped off in Madison chrome, chrome clad, dirty etc. Paying cash

Need about 500 more wheels to fill the Gondola! Will buy 8000 wheels if needed lol! CA$H
06/23/2026

Need about 500 more wheels to fill the Gondola! Will buy 8000 wheels if needed lol! CA$H

Our converters hard at work!
06/17/2026

Our converters hard at work!

Finished product right here.Platinum and palladium
06/14/2026

Finished product right here.
Platinum and palladium

Gk6 $2254583 $185501ac $808379 $130974AAS $280B6e $200Fca58 $908681 $1409328 $105Small Breadloaf $185Prices based on tod...
05/28/2026

Gk6 $225
4583 $185
501ac $80
8379 $130
974AAS $280
B6e $200
Fca58 $90
8681 $140
9328 $105
Small Breadloaf $185
Prices based on today's live market
50 pieces or better graded
Paying cash in Madison Wisconsin

Pick a converter part number and ill quote it. No bait pieces just real run of the mill average pieces. Any ding d**g wi...
05/28/2026

Pick a converter part number and ill quote it. No bait pieces just real run of the mill average pieces. Any ding d**g will overpay and over quote on a bait piece. First 10 part numbers below will quoted tomorrow morning based off a 50 piece graded lot. I've been seeing what some of you are getting and its SAD! Don't let the mouth game get your pockets 😉

Tuesday Wednesday and Thursday of next week is the current availability to drop off
05/27/2026

Tuesday Wednesday and Thursday of next week is the current availability to drop off

Record prices Pm for details
05/27/2026

Record prices
Pm for details

Wednesday is the sweet spot this week.
05/26/2026

Wednesday is the sweet spot this week.

Just got a new purchase order and need to fill these up! Pm or call to discuss terms
05/20/2026

Just got a new purchase order and need to fill these up! Pm or call to discuss terms

Address

Madison, WI

Telephone

+16083083999

Website

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