Maxxed Out Performance

Maxxed Out Performance High performance engine modifications and fuel injection tuning and services for your Harley Davidson Motorcycles.

05/29/2026

So much more fun on the street!! Impact Wiring Solutions !! And didn’t even have to go to California…😂 yes we can do it !! If you’re in need !!

05/28/2026
2025 cvo st bringing some heat !! Hd 135 kit ,6.8 injectors,68 mm tb, Cycle-Rama, Inc cr512 cam , burns pipe  and of cou...
05/28/2026

2025 cvo st bringing some heat !! Hd 135 kit ,6.8 injectors,68 mm tb, Cycle-Rama, Inc cr512 cam , burns pipe and of course Impact Wiring Solutions ecu with all the bells and whistles activated!! coming in @ 167hp and 171.4 torque!

Here we have another all Harley 131 stage iv , se550 cam , Fuel Moto ### headpipe ,rhinehart mufflers , louvered baffles...
05/24/2026

Here we have another all Harley 131 stage iv , se550 cam , Fuel Moto ### headpipe ,rhinehart mufflers , louvered baffles , and an Impact Wiring Solutions ecu !! Puts some great power down 160 hp and 157 torque sae !!

How do you bulletproof your primary ?? We trust the s&s comp ramp , psr tensioner and rekluse billet basket and clutch !...
05/18/2026

How do you bulletproof your primary ?? We trust the s&s comp ramp , psr tensioner and rekluse billet basket and clutch !! Very nice pieces !! And have proven themselves in some of our bikes that go through hell …

Maxxed out performance window crew on site Saturday morning!! Thanks ladies!! You’re the best !!
05/16/2026

Maxxed out performance window crew on site Saturday morning!! Thanks ladies!! You’re the best !!

Here’s a nice little 128 we built! 11-1 cp pistons , cnc ported s&s manifold, 6.2 injectors, Andrews 485 cam , sawicki p...
05/16/2026

Here’s a nice little 128 we built! 11-1 cp pistons , cnc ported s&s manifold, 6.2 injectors, Andrews 485 cam , sawicki pipe , making awesome usable power from 2k rpm to 6200 rpm !! 142 hp and 153 torque! An absolute blast to ride !! Thank you for your business and trusting us with your combination!!

This one came in with a few issues. We got those taken care of and got some good results with the tune ! 22xe cam , 55 s...
05/14/2026

This one came in with a few issues. We got those taken care of and got some good results with the tune ! 22xe cam , 55 s&s manifold not ported , true dual head pipe, fishtails . Came in at 84.53 hp and 89.72 torque, with issues fixed we were able to get it up to 103.84 hp and 110.54 torque!!

Here’s a little before and after of a 131 se stage iv hd tuning vs Impact Wiring Solutions ecu ! Hd was 125.34 hp and 13...
05/13/2026

Here’s a little before and after of a 131 se stage iv hd tuning vs Impact Wiring Solutions ecu ! Hd was 125.34 hp and 130.74 torque , impact tuned is 152.37 hp and 147.38 torque sae !

Here’s a fantastic combo for a 114 m8 , woods 22xd ,rhinehart head pipe,ventilator ac,krome werks mufflers, ripper baffl...
05/11/2026

Here’s a fantastic combo for a 114 m8 , woods 22xd ,rhinehart head pipe,ventilator ac,krome werks mufflers, ripper baffles.122 hp and 131.67 torque sae !

Address

4855 County Road K
Conover, WI
54519

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+17152227799

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