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Pro Circuit T-4 Complete Exhaust System
Pro Circuit T-4 Complete Exhaust System

$224.99 - $701.99
10% Off - Save up to $77.96

Select your bike to see if this exhaust fits
Item #PRC000E

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34 Reviews
4.9 out of 5 stars
5 Star   31 4 Star   4 3 Star   0 2 Star   0 1 Star   0
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All Reviews
North Carolina
Sounds great

It has an awesome sound and great performance. Would recommend to anyone.

Hawaii
2017 CRF150F

Bought this for the wife bike, really only to make it louder so she could hear where she was at on the throttle with others around, fit and finish was perfect! Sound was great, only reason its 4 stars vs 5 is because the exhaust does not come with a heat shield, nor two nuts welded on to carry the oem one over! Wife has taken many falls and the exhaust is holding up great, however she has melted her boot on it twice! Will be pulling it off to modify it to accept the OEM exhaust guard!

Verified Purchaser
San jose
Pro circuit T4 exhaust

It was a really easy installation but the pipe did not have the sound I was looking for was a little above stock and didn't have that deep sound of a stroke thumping.

Verified Purchaser

The exhaust came in and performed as expected

Vincennes, IN 47591, USA
Best on the market

Amazing. Just Amazing sound and performance.

Verified Purchaser
Houston, TX
2004 CRF 230 Pro Circuit Exhaust

I replaced the stock unit with the Pro Circuit T-4 Complete Exhaust System. Besides the better look overall, this pipe is about 3 to 4 pounds lighter, the fit and finish is perfect and the performance is very noticeable. It has a quiet idle but, sounds great when on the gas!!! This is a must buy if you have a few hours on your CRF.

Verified Purchaser
Jacksonville, FL, USA
Awesome

Put this exhaust on my 01' ttr 125L. It not only made the bike sound better, but also runs a lot smoother. Would definitely recommend this for anyone.

South Carolina, USA
Well worth the money

got this for my sons KLX140L big difference in throttal responce and over all performance. Best performance add on for the money

VA
2014 Suzuki Quad Sport Z-90

Super easy to install, looks great, sounds even better. This exhaust woke the little quad up. Hearing it come thru the woods you'd never expect to see a 90cc quad pop out of the trees. Lol
Will be ordering another for my sons XR-80

You will not be disappointed at all!!

Verified Purchaser
Erin, WI, USA
Trx90 pro circut pipe

Really seemed to let the little engine breathe. My son loves it.

Verified Purchaser
midwest
Quality upgrade

Bought this for my sons Suzuki DRZ 125 L. It was easy to install, and the increase in power was immediately noticeable. Much more aggressive sound which my son loves.

Mississippi
A really good purchase

It's worth it!

Verified Purchaser
Good Pipe

Put it on a stock 230f and it sounds great. Fit very well no modifications necessary.

New Baltimore, MI, USA
Amazing Exhaust

I just bought this pipe for my 2012 Honda crf100f and it sounds amazing. It beats better than the stock pipe. I would suggest buying it! I think Pro Circuit is a good pipe it sounds good. When you first take off it is just a great pipe and there product is one of the best brands but there pipes are expensive but it is worth it. I didn't need to rejet it or anything, just put a few bolts and it is ready to go!

Verified Purchaser
Nice pipe

Looks good, sounds good. Thumbs up!

Verified Purchaser
Carmel Valley, CA, USA
Excellent product

Beautiful workmanship! Fit, finish A+. Had to modify side cover just slightly to miss pipe. Everything else cleared and bolted up perfectly. Sounds great (loud) Helps a little all the way through rpm range. No carb rejet required.

Australia
Great Pipe

Excellent Purchase for my 2005 Polaris Scrambler. My quad sounds like a 500 should with a deep but powerful and crackly note. This thing is loud and added a bit more throttle response and torque.

Muffler
Header Pipe
Best buy

I bought this exhaust for my crf230f and rejected the carburetor when I threw it on. It has a significant added amount of bottom end power and sounds great

Middleboro, Ma
Awsome

I bought this for my 2005 trx450r and wow what a difference! There is a lot of bottom end power gain, but especially a huge top end gain! I love this pipe because it is loud enough to sound great,but it isnt too loud. Its quieter than and fmf but gives a better deep and throaty sound. Its a great buy!

Pella, Iowa
Great Add-on

Couldn't ask for a better upgrade for these pit bikes for the money you spend. Definitely a must-have.

See 14 More Reviews
61 Questions
Answered:   57
Not Yet:   4
Joey
Location: Atco, NJ 08004, USA
Q: Will it look as picture? because im looking at a T4 in ebay that looks a bit different.?
9 days 8 hours ago
klx 125
David
Top 10 Contributor
9 days ago
A: The picture is generic and will vary based off your bike model.
DrMoto
Q: Sound-reducing RC-4 Resonance Chamber?
20 days ago
hello, i was wonder if the 2017 ttr 125 comes with the RC-4 Resonance chamber
Thumbs
Top 10 Contributor
17 days ago Location: Portland, OR, USA
A: Pro Circuit isn't listing it as having that chamber for your model bike.
CRFguy
Location: 3224 Reynoldsburg- Baltimore RD NW, Baltimore, OH 43105, USA
Q: Will I have to Rejet?
Over 11 months ago
I have a 2006 Honda CRF150F and I was wondering if I get this exhaust would I have to rejet the bike or could I just leave it how it is? And is the sound better than if I were to just take the baffle out of the stock exhaust?
Gray
Q: What size end cap does this have ?
Over 11 months ago
Ryan5149
Location: California
Q: My Yamaha ttr 125 has the exhaust pipe on the right side, will this work on it?
1 year 1 month ago
LmanCrf
Q: Packing?
1 year 1 month ago
About how often will it have to be repacked?
Chris
Location: Helston TR13, UK
Q: Will this fit my klx 125 2016?
1 year 4 months ago
MotoSportExpert
MotoSport Staff Expert
1 year 4 months ago
A: All products sold on MotoSport.com are for US models only. We unfortunately do not have product fitment for non-us models. Fitment for non-US models cannot be guaranteed.
mpiton62
Q: Out of stock.?
1 year 7 months ago
Do you know when more will be in stock? Or a suggestion for a tithed pipe from my sons 2016 ttr50?
MotoSportExpert
Expert MotoSport Staff
1 year 7 months ago
A: Please call one of our sales professionals to inquire about special orders and availability.
Dirt Bike: 1-888-676-8853
Devin
Location: Rushville, PA 18828, USA
Q: Rejetting neccasary?
1 year 8 months ago
I have a all stock crf230f will I have to rejet the carb if I install this?
MotoSportExpert
MotoSport Staff Expert
1 year 8 months ago
A: Jetting would be recommended. However It would really depend on your location (altitude/temperature) and how your bike is running with the current jetting. Jetting can be very tricky, there isn't one setting that will work everywhere with every bike.
Zebert71
Location: Mississippi
Q: Just to be sure it fits the 2015 ttr 125 right?
1 year 8 months ago
MotoSportExpert
MotoSport Staff Expert
1 year 8 months ago
A: Yes. Just be sure to correctly select the Year/Make/Model of your bike before ordering so we can be sure to send you the correct exhaust for your bike. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
1-10 of 61
Fitment
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See Fitments
# Part Numbers
Product Variant Manufacturer Part #
Pro Circuit T-4 Complete Exhaust System 4H06150
Pro Circuit T-4 Complete Exhaust System 4H03230
Pro Circuit T-4 Complete Exhaust System N/A
Pro Circuit T-4 Complete Exhaust System 4S03125
Pro Circuit T-4 Complete Exhaust System 4QK08450
Pro Circuit T-4 Complete Exhaust System 4QK04700
Pro Circuit T-4 Complete Exhaust System 4K10110
Pro Circuit T-4 Complete Exhaust System 4QY02080
Pro Circuit T-4 Complete Exhaust System 4QH06450
Pro Circuit T-4 Complete Exhaust System 4QH04450
Pro Circuit T-4 Complete Exhaust System 4QH90090
Pro Circuit T-4 Complete Exhaust System 4Y08110
Pro Circuit T-4 Complete Exhaust System 4Y00125
Pro Circuit T-4 Complete Exhaust System 4Y00090
Pro Circuit T-4 Complete Exhaust System 4H00070
Pro Circuit T-4 Complete Exhaust System N/A
Pro Circuit T-4 Complete Exhaust System 4H85080
Pro Circuit T-4 Complete Exhaust System 4H04650
Pro Circuit T-4 Complete Exhaust System 4H03150
Pro Circuit T-4 Complete Exhaust System N/A
Pro Circuit T-4 Complete Exhaust System 4QH01250
Pro Circuit T-4 Complete Exhaust System 4QP96500
Pro Circuit T-4 Complete Exhaust System 4K08140
Pro Circuit T-4 Complete Exhaust System 4QP10170
Pro Circuit T-4 Complete Exhaust System 4QS07050
Pro Circuit T-4 Complete Exhaust System 4QS07090
Pro Circuit T-4 Complete Exhaust System 4Y06050
Pro Circuit T-4 Complete Exhaust System 4QY09450
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