SLOW PERFORMANCE Auto Parts & Supply
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Auto parts, no hurry

Performance parts for people in no hurry.

We stock the parts that keep cars running right — brakes, suspension, filtration, and more. No redline theatrics, no marketing hype. Just parts that fit, and work.

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Performance curve DYNO-04 / SP
Our curve, plotted honestly. Two runs, same result: steady, not spiky. (We told you.)

Shop by category

7 categories / 640+ parts
CAT-BRK
Brakes
142 parts
CAT-SUS
Suspension
98 parts
CAT-FLT
Filtration
76 parts
CAT-EXH
Exhaust
54 parts
CAT-ELC
Electrical
121 parts
CAT-ENG
Engine
149 parts
CAT-INT
Interior
42 parts

Featured this month

Updated weekly
FILTER BY CAR
SP-BRK-1120
Vented brake rotor, front
Fits most mid-size sedans
STOCK 34 in stock
$64
SP-SUS-0872
Progressive coil spring
Front, pair
STOCK 21 in stock
$118
SP-FLT-0339
Cabin air filter
Activated carbon
STOCK 58 in stock
$21
SP-ELC-1554
Iridium spark plug, set of 4
Long-life electrode
STOCK 47 in stock
$38
Oil filler cap installed on a Honda i-VTEC engine
SP-ENG-0340
Oil cap
Fits: All Honda models
STOCK 19 in stock
$40
SP-CAI-2010
Cold air intake system
Fits: Civic RS 2017 (FK7)
STOCK 12 in stock
$249
SP-BRK-1160
Ceramic brake pad set, front
Fits: Civic RS 2017 (FK7)
STOCK 26 in stock
$79
SP-SUS-0910
Coilover kit, height adjustable
Fits: Civic RS 2017 (FK7)
STOCK 8 in stock
$620
SP-EXH-0450
Cat-back exhaust system
Fits: Civic RS 2017 (FK7)
STOCK 14 in stock
$540
SP-EXH-0455
High-flow downpipe
Fits: Civic RS 2017 (FK7)
STOCK 11 in stock
$310
SP-SUS-0920
Front sway bar, adjustable
Fits: Civic RS 2017 (FK7)
STOCK 17 in stock
$165
SP-ENG-0330
Engine mount insert, RS
Fits: Civic RS 2017 (FK7)
STOCK 22 in stock
$58
SP-TRN-0110
Short shifter kit
Fits: Civic RS 2017 (FK7)
STOCK 9 in stock
$95
SP-INT-0210
Weighted shift knob
Fits: Civic RS 2017 (FK7)
STOCK 31 in stock
$34
Project: Slow

Build logs

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Why people buy from us

FIT-CHECK

Fitment checked twice

Every part is matched to your exact year, make, and model before it ships — not just the general category.

REAL-PEOPLE

A real person answers

Call the shop and you get someone who knows the parts wall, not a script. No hold music, no runaround.

SHIP-FAST

Ships next business day

The parts move quicker than the name suggests. Orders placed before 3pm go out the same day.

Cars we've worked on

Customer builds
Red Honda Civic hatchback with hood open showing turbo intake, headlights on Intake & turbo kit
Red Honda Civic hatchback parked at night, front three-quarter view Civic hatch
Red Honda Civic hatchback parked at night, front view Civic hatch
Close-up of engine bay with titanium turbo intake pipe and oil cooler Oil cooler install
Engine bay of red Honda Civic with titanium intake piping Engine bay

Get in touch

Mon–Fri 8–5, Sat 8–1, Sun closed

Have a fitment question, or want to show us your build? Reach out however's easiest — we read everything ourselves.

FOLLOW THE BUILDS

See what's on the lift

Work-in-progress shots, finished builds, and parts as they come in — posted before they hit the site.

@slw_r.s_2017

Need a part and not sure which one?

Tell us the make, model, and year — we'll find the right fit.

Ask the shop