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Harold's Muffler & Auto Care Inc
“They quoted me a certain amount to replace my whole back muffler and when they found additional things to fix, they let me know and kept it as close to the original quote as they could!”
Muffler & Exhaust Shops near Janesville, WI
We have 4 technicians in Janesville on file; 3 of them are on this list, along with 21 from towns including Beloit (4, 10 mi), South Beloit (4, 13 mi) and Jefferson (2, 24 mi).
9 open weekends · 23 rated 4.5+
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Centerway Auto Repair Inc
“Without these wonderful humans, I very well might have had to spend money I didn't really have to stay in a hotel for the weekend, which would've meant, on top of the main repair, replacing my brand new battery after the non-stop brake lights drained...”
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Mexmuffler
- Clamp
- Oil
- Welded
“Anyway, after hoisting the van, they called me in the shop, showed me what needed to be replaced (the catalytic converter), gave me a quote and 30 minutes to do it.”
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Rock County Muffler & Brake
- Fair
- Company
- Price
“They are always helpful / honest and I a couple of the men that have helped us with our car/ cars and issues the visit was great , fast and very affordable.”
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Street Performance Mufflers & Brakes
“Everything was done correctly and I am impressed with the way they showed me the problem, gave a detailed explanation of the repair they were going to perform and their ability to stay within predetermined budget.”
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Jim's Tire & Automotive
- Mechanic
- Vehicle
- Oil
“He was extremely professional, kind to that customer, and very accommodating in helping that customer with their needs with oversized wheels and spacers that were causing issues with that customers car.”
Area overview: Janesville, WI
The 24 technicians on this page are rated from 4.2 to 5.0 across 2,415 reviews; 15 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (95%), quality (82%) and punctuality (73%). The topics that come up most in reviews of the technicians on this page are "price", "fair" and "estimates". 9 are open on Saturdays. 6 have a BBB rating of A or A+. Domain records put 7 websites of the technicians on this page at ten or more years old; the oldest dates from 2004. 3 offer financing; 2 give free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 17 of the technicians on this page; 11 publish a contact page; 3 list a public email and 3 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Data verified October 9, 2026
Listed for drivers in and around Janesville, WI, these 24 shops handle mufflers, pipes and catalytic converters. What each one says about welding, custom work and warranties comes from its own website; ratings and quotes come from public reviews.
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Five Star Lopez Auto Service
“I had two diagnoses with 2 previous workshops and they had given me a bad diagnosis on the engine and here at the five star workshop they solved the problem very easily, it is highly recommended and reliable”
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Dallmann's Muffler and Exhaust
- Matter
- Owner
- Quality
“I can not complain about anything, gave me a quote one day, came in the next, got it all done out the door, and satisfied the customer would 10000% recommend.”
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Road Medic
- Mechanic
- Truck
- Prices
“He was able to repair a very stubborn engine misfire my wife and I experienced with our '04 Tahoe, and it now runs better than it did before the misfire appeared!”
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Fearnside's Fix All
- Mechanic
- Sale
- Price
“He will willingly sit and talk with you about how to fix your car (so you can get around on this earth) as well as good conversation about also perhaps finding that, "Narrow Path" to eternity!”
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Ace Auto Sales & Mechanic
- Price
- Vehicle
- Auto Mechanic
“I've tried other mechanics and everytime they "fix" the problem, it ends up coming back and I have to bring my vehicle back in to fix the same problem.”
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Real's Auto Repair
“If you want a great mechanic go here and the prices are way beyond reasonable same quality you get at the dealership but a better outcome on your pockets”
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DC Auto Repair & Towing Service
- Price
“Good service and just at the right price, buen servicio y a un my buen precio.”
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C & G Auto Repair
“Great service”
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Stueck Industries LLC
“Great service and good prices.”
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S & H Automotive
“They got me in right away to check out my clutch.”
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Dimaggio Auto
- Oil
- Team
- Vehicle
“Services Air & cabin filter replacement, Auto battery replacement, Steering & suspension repair, General repairs & maintenance, Auto engine diagnostic, Auto engine tuning, Tire rotations, Auto battery maintenance, Wiper blade installation, Auto maint...”
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Hilgarts Auto Services
- Estimate
- Diagnose
- Vehicle
“Hilgarts Auto Services is one of those places that you can always count on to take care of you, whether it's a simple oil change or undiagnosed issues, they've got your back.”
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Schroedl's Auto Pros
- Trip
- Communication
- Team
“Services Air & cabin filter replacement, Tires, General repairs & maintenance, Tire rotations, Vehicle Inspection, Wiper blade installation, Oil change”
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Capitol City Auto
- Mechanic
- Fair
- Honest
“Additionally, the few times that I've had to unexpectedly bring my car in without an appointment due to a breakdown they've gotten to it in a timely fashion.”
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Griffin Chrysler Dodge Jeep RAM Service Department
- Truck
- Tire Rotation
- Vehicle
“Services Tires, Auto battery replacement, General repairs & maintenance, Tire rotations, Brakes, Auto tire replacement, Auto maintenance, Battery, Oil change”
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Elkhorn Automotive & Tire Center
“Got Transmission and Tires done, very Communicative, ain't trying to pull your leg, will be straight with you, and tell anything else they find wrong along the way.”
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Greg's Garage
- Truck
- Inspection
- Quality
“Fantastic service, Knowledgeable staff, and reasonably priced!”
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Harlem Road Automotive
“Great work and very helpful and honest.”
Muffler and Catalytic Converter Services in Janesville, WI Cost Estimates
Minimum cost
$98
Maximum cost
$1521
National Average
$153
Avg Per Hour Rates
$82
$120
$261
Average price range is based on 488 cost profiles
Why these companies made our list
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FAQ
Why are some of these shops outside Janesville?
3 of the 24 shops sit in Janesville and the others come from other towns within 35 mi, listed under their own city. A shop with a bender and a welder is worth a short drive, since it can repair what a parts-only counter would replace.
What customers say about technicians near Janesville
- “Very pleased with this place! Went in for an estimate and they got me in immediately, showed me the problem and fixed the issue within an hour for a very reasonable price.” — customer of Mexmuffler
- “I have been going here for years for exhaust and brakes issues on multiple cars.” — customer of Rock County Muffler & Brake
- “I have gone to Dallmann's for years and have experienced friendly, prompt, and reasonably priced service every time.” — customer of Dallmann's Muffler and Exhaust
- “Was greeted promptly upon arrival and given an estimate on an exhaust repair on a classic car.” — customer of Harold's Muffler & Auto Care Inc
- “They replaced the exhaust manifolds (very difficult job) in a timely and price effective way.” — customer of DC Auto Repair & Towing Service
Excerpts from public reviews of the technicians listed on this page.