14 Products
Collection: Mufflers
SPELAB Performance Exhaust Muffler
An exhaust muffler is a component of the exhaust system designed to reduce the noise produced by the engine's exhaust gases. The main functions of an exhaust muffler are as follows:
Noise Reduction |
The primary purpose of a muffler is to dampen and reduce the noise generated by the exhaust gases as they exit the engine. |
Backpressure Regulation | A properly designed muffler also helps regulate backpressure within the exhaust system. Mufflers are designed to balance noise reduction with maintaining an appropriate level of backpressure. |
Emissions Control | In modern vehicles, mufflers may also incorporate catalytic converters or other emissions control devices. These components help reduce harmful emissions by promoting the conversion of pollutants into less harmful substances. |
Some common types of mufflers include:
Chambered Mufflers | Straight-Through Mufflers | Resonator Mufflers | Performance Mufflers |
When choosing a muffler, it's important to consider factors such as the desired sound level, performance goals, and local noise regulations. Additionally, compatibility with the vehicle's exhaust system and emissions requirements should be taken into account.
Filter products
- ENGINE
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POWERSTROKE
- EGR Delete Kit
- CCV PCV Reroute Kit
- DPF Delete Exhaust
- DPF Delete Dual Exhaust
- Muffler
- Tuner
- Up-Pipe
- Downpipe
- Air Intake Kit
- Intercooler
- Intercooler Pipe Kit
- Radiator
- Oil Catch Can
- Differential Cover
- Coolant Tank Can
- Coolant Expansion Tank
- Exhaust Manifold
- Turbo
- Wheel Spacers
- CP4 Bypass Kit
- Fuel Tank Sump Kit
- Fuel Injector Tool Kit
- Blue Spring Upgrade Kit
- Transfer Case Shift Motor
- Oil Cooler Kit
- Fuel Pump Driver Module
- Auto Locking Hub
- External Fuel Pump
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DURAMAX
- Tuner
- EGR Delete Kit
- DPF Delete Exhaust
- DPF Delete Dual Exhaust
- Muffler
- CCV Reroute/delete kit
- Intercooler
- Intercooler Pipe Kit
- Radiator
- Downpipe
- Up-Pipe
- Intake Elbow Bridge Kit
- Cooler Line Kit
- External Fuel Pump
- Fuel Filter Housing Kit
- Oil Pan
- Fuel Sump Return Kit
- Rail Fuel Valve
- Fuel Filter Multipack
- Fuel Filter Spacer
- Fuel Filter Adapter
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FOR CUMMINS
- EGR Delete Kit
- EGT Relocation Kit
- DPF Delete Exhaust
- CCV Reroute/delete kit
- Tuner
- Intercooler
- Intercooler Pipe Kit
- Radiator
- Valve Cover
- Intake Manifold
- Coolant Bypass Kit
- Coolant Leak Repair Kit
- Fuel Rail Plug
- Race Fuel Rail
- Fuel Tank Sump Kit
- External Fuel Pump
- Muffler
- Oil Catch Can
- Turbo
- Air Intake Kit
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Let customers speak for us
from 2274 reviews
Fit like crap. As did the down pipe. I got ppe ones and no refund from spelab

Fits very well and is really well constructed. Also looks really good installed in the truck!

Fit, "Like a glove!"

Didn’t have an issue with the install. Instructions weren’t real clear but overall the install was easy. Parts seemed to be good quality.

Fit nice and looks great!

I love it wish I had a tuner for my truck now, but I love it thank you

Perfect fit! I love your products!

I love this intake manifold and heater delete all in one kit, I would put one on every cummins. I got the horn style without the EGR parts and it puts me at ease knowing I'm not going to be getting vaccum leaks at all the block off plates and have to deal with that pesky butterfly valve. This kit really woke up my truck, I wasn't expecting a whole lot of gains but they are definitely there. I run an aftermarket turbo setup, bigger injectors, fully deleted, straight piped (4" but want the 5"), custom tuned, cold air and manual swapped, so like I said I didn't feel it would make a difference but I felt the difference. Love this companies products and am looking to go with there sick valve cover and maybe there 5" exhaust before long.

Great price and works amazing. For the price I thought it would be cheap but it's not its great quality perfect fitment and looks amazing id recommend to anyone thinking about getting rid of the stock one. Worth every dollar

Comes with everything needed. I bought the intake so there was no need for some of this kit so if your buying a intake as well save some money and get the one without the valve delete. Quality parts id buy it again

Worked out amazing with great fitment. With the stock 4 inch downpipe this makes it a complete 4 inch straught exhaust so saves money from having to buy a full 4 inch and sounds the same and ships alot faster

very awesome good fit easy install

Everything worked perfect, the gaskets and caps were all easy to install and sealed great. The pipe was a direct fit. I opted out of the muffler and super happy. Not much drone at all on the highway. And with my tune I went from 16mpg to 22mpg very well priced kit and easy to install

Love it
EASY TO INSTALL
GAVE MY Truck the power that I was looking for .
💯 Recommended 😁👍

Fantastic build quality, easy access fill and drain plugs and, easy to see sight glass.