✦ Ground shipping $14.95 — free over $150✦ Live stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069✦ Ground shipping $14.95 — free over $150✦ Live stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069
Shop › Slip-Ons
Pro Circuit T-4 Slip-On Silencer — CRF 450R/X
In stock

Pro Circuit T-4 Slip-On Silencer — CRF 450R/X

Pro Circuit · #1821-0175 · Slip-Ons / Exhaust
  • Developed to increase the horsepower and torque throughout the power curve
  • T-4 Slip-on has a polished aluminum canister and stainless steel mid-pipe
  • Silencer includes wire-meshed spark arrestor that can be removed for close-course racing
  • Steel Allen-head screws make repacking an easy task
  • Can be used with OEM or Pro Circuit headers.
$593.95
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Shop all Pro Circuit
Everything we carry from Pro Circuit →
Description & features5 features
  • Developed to increase the horsepower and torque throughout the power curve
  • T-4 Slip-on has a polished aluminum canister and stainless steel mid-pipe
  • Silencer includes wire-meshed spark arrestor that can be removed for close-course racing
  • Steel Allen-head screws make repacking an easy task
  • Can be used with OEM or Pro Circuit headers.
Specifications13 specs
End Cap Material
Stainless Steel
Riding Style
Off-Road
Style
Round
Muffler Material
Aluminum
Pipe Material
Stainless Steel
Features
with Spark Arrestor
Model
T-4
Type
Slip-On
Units
Each
Muffler Color/Finish
Polished
Shipping weight
6 lb
Package size
31.6 × 9.1 × 8.5 in
Country of origin
USA
Fitment2 models · Honda
Honda2 models
  • CRF450R2005
  • CRF450X2005–2015
Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
Salto part #
1821-0175
Pro Circuit part #
4H05450
Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers
Is it in stock?
Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?
Usually 2–4 business days by ground.
Will it fit my machine?
It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Pro Circuit?
Yes. It’s new and genuine, straight from Salto — Pro Circuit part #4H05450.

More for the Honda CRF450R

Shop all Honda CRF450R parts →

More Pro Circuit slip-ons