Roush
SLP LoudMouth II Mufflers 2.5 Bullet-Type (pair)
SKU: R00I 31064
Beginner — under 30 min
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Roush |
| Part Number | R00I 31064 |
Videos
SLP Loudmouth cat-back VS Borla Atak cat-back exhaust systems
1999 Mustang GT SLP Loudmouth 2 vs Borla Atak
C6 Corvette SLP Loudmouth II Axle-Back Stainless Exhaust
700hp RAM TRX 6.2L SUPERCHARGED V8 w/ SLP LOUDMOUTHS!
1979-2004 Mustang SLP Loudmouth Center/Center Shotgun Style Resonator Pair - 2.5" Review
CAMMED Pontiac GTO 6.0L V8 DUAL EXHAUST w/ SLP LOUDMOUTHS!
SLP LOUDMOUTH 1 MUFFLERS WITH NO CATS, ON CHARGER HEMI
SLP by LoudMouth LM2 Exhaust System Installation for 2015+ Mustangs
Corvette C5 SLP Loud Mouth Exhaust - Before and After
Charger RT SLP Loud Mouth II cat back exhaust
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy