Listen to the very best in-car audio as the Championship 4 battled it out in the season finale at Homestead-Miami Speedway.

Listen to spicy in-car audio as drivers fight off elimination in the Round of 8 finale of the NASCAR Playoffs at ISM Raceway.

From Aric Almirola's beef with Joey Logano to Kevin Harvick's domination, relive all the best Texas moments in this week's Scanner Sounds.

Go inside the driver's helmets from Martinsville to hear all the conversations happening during a high-tension playoff race.

Relive the tension as 12 drivers raced for their championship hopes and Chase Elliott got his second win in the Round of 12 at Kansas Speedway.

Heated radio exchanges about teammates and more highlight the best in-car audio from the Talladega Superspeedway playoff race.

Relive all the drama from the Monster Energy NASCAR Cup Series race at Dover International Speedway in this week's Scanner Sounds.

From Kyle Larson's last-ditch effort to save his season, to Jimmie Johnson and Martin Truex Jr. tangling to hand Ryan Blaney the win, recap the Roval in this week's Scanner Sounds.

Hear the best scanner sounds from the NASCAR Playoffs race at Richmond as drivers spice things up with a lot on the line.

Relive the South Point 400 through your favorite drivers in-car audio in this week's Scanner Sounds.

Hear the latest radio chatter from a Monday afternoon of racing at Indianapolis Motor Speedway in the Brickyard 400.

Relive the best in-car audio from the Southern 500 at Darlington Raceway.

Relive the best in-car audio from the Bristol Night Race.

Go inside drivers' helmets, as emotions ranged from frustration to joy in Sunday's Monster Energy Series race at Michigan that saw Kevin Harvick earn his seventh win of 2018.

Go inside drivers' helmets, as emotions ranged from frustration to joy in Sunday's road-course thriller at Watkins Glen that saw fan-favorite Chase Elliott earn his first career Cup win

Go inside the drivers' helmets from Sunday's race at Pocono, which saw Kyle Busch grab the win after a wild race.

Go inside the drivers' helmets from Sunday's race at New Hampshire, which saw Kevin Harvick grab the win after a bump-and-run on Kyle Busch.

Go inside the drivers' helmets from Saturday night's race at Kentucky Speedway, which saw Martin Truex Jr. grab the win -- and plenty others grab some heat.

Always exciting Daytona gives us a lot of radio chatter jeering Ricky Stenhouse Jr. and cheering Erik Jones on his first Monster Energy Series win.

Listen to the best in-car audio from Monster Energy NASCAR Cup Series competitors in the Overton's 400 at Chicagoland Speedway.

Relive the end of the Overton's 400 at Chicagoland Speedway through the in-car audio from the Monster Energy NASCAR Cup Series teams.

From Martin Truex Jr. and Cole Pearn tricking the No. 4 team to the Nos. 48 and 19 making contact after the race, relive all the best in-car audio from Sonoma.

Listen to the best in-car audio from Monster Energy NASCAR Cup Series as drivers raced at Michigan International Speedway.

Kevin Harvick chews out a spotter, Kyle Busch talks shoe booties -- check out the best in-car audio from this weekend's race at Pocono Raceway.

The Coca-Cola 600 gave us 600-miles of epic Scanner Sounds.

Listen to the best in-car audio from the Monster Energy NASCAR All-Star Race as drivers raced for $1 million at Charlotte Motor Speedway.

When the sun went down and the lights came on Saturday night, the intensity turned up. Listen to the very best scanner sounds from Kansas Speedway.

What led Kyle Busch to exclaim, 'It ain't gonna make it all day!"? Relive that and the rest of the best in-car audio from Dover International Speedway in this week's Scanner Sounds.

Temperatures rise at Talladega -- go inside the drivers' helmets to hear the back-and-forth during the 'Big One.'

Listen to the best in-car audio from the Monster Energy NASCAR Cup Series Toyota Owners 400 at Richmond Raceway.

Hear the best in-car audio from the Food City 500 at Bristol Motor Speedway, including the above reaction from Ryan Newman after spinning Kyle Larson.

From the multi-car wreck that took out Jimmie Johnson and Denny Hamlin, to Kyle Busch's first win of 2018, relive all the action in this week's Scanner Sounds from Texas.

Relive the best in-car audio from the STP 500 at Martisnville Speedway in this week's Scanner Sounds.

Relive the best in-car audio from this weekend's Monster Energy NASCAR Cup Series race at Auto Club Speedway.

From Darrell Wallace Jr. singing in the race car to Kevin Harvick's third win in a row, relive all the best radio chatter from ISM Raceway in this weeks Scanner Sounds.

Listen to all the best in-car audio from this weekend's Monster Energy NASCAR Cup Series race at Las Vegas Motor Speedway.

Listen to the very best in-car audio from the Monster Energy NASCAR Cup Series race at Atlanta Motor Speedway.

Listen to the best in-car audio from the 60th running of the Daytona 500 that saw Austin Dillon take home his second Monster Energy NASCAR Cup Series win.

Take a look back at five of the very best in-car audio moments from the 2017 Monster Energy NASCAR Cup Series season.

Hear Kasey Kahne's take after his No. 5 Chevrolet runs into the back of Danica Patrick's No. 10 Ford, plus winning sounds from Martin Truex Jr. and more.

The best in-car audio from the NASCAR Playoffs elimination race at Phoenix Raceway.

There was no shortage of big moments in the Monster Energy Series Playoffs race at Texas. Here is the best in-car audio from drivers and teams.

There was no shortage of big moments and controversy in the Monster Energy Series Playoffs race at Martinsville. Here is the best in-car audio from drivers and teams.

The elimination race at Kansas didn't disappoint; Find out what the drivers and teams had to say in the best in-car audio.

Relive the best in-car audio of the Monster Energy NASCAR Cup Series playoff race at Talladega Superspeedway.

Hear what was happening inside the helmets at Charlotte Motor Speedway as drivers battled in the first race of the Round of 12.

Relive the best in-car audio from the Monster Energy NASCAR Cup Series cutoff race at Dover International Speedway.

Relive all the best in-car audio from the ISM Connect 300 at New Hampshire Motor Speedway.

Hear the best moments for drivers in the Tales of the Turtles 400 at Chicagoland Speedway in Scanner Sounds

Listen to who said what in the best of Scanner Sounds from the Federated Auto Parts 400 at Richmond.

Listen to the best scanner sounds from the Monster Energy NASCAR Cup Series Southern 500 throwback race at Darlington Raceway.

Relive the best in-car audio from the night race at Bristol Motor Speedway.

Relive all the best in-car audio from this weekends Pure Michigan 400 at Michigan International Speedway.

From Danica Patrick's fiery words for Kyle Busch to fuel-mileage strategizing, hear the best in-car audio from the I LOVE NEW YORK 355 at The Glen.

From Matt Kenseth's spin on the first lap to Kyle Busch's first win of 2017, catch it all in this week's Scanner Sounds.

From Kyle Busch's speeding penalties on pit road to Denny Hamlin's first win of the year, catch all of the best in-car audio from New Hampshire Motor Speedway.

From Denny Hamlin's run-in with Jamie McMurray early at Kentucky, to Martin Truex Jr.'s 10th career Monster Energy NASCAR Cup Series win. You can catch it all in this week's Scanner Sounds.

From Danica Patrick and Ricky Stenhouse Jr.'s wreck to Kevin Harvick getting his first win of the year, hear all of the best action from Sonoma Raceway.

One of the stranger debris cautions and hot tempers make for heated radio chatter. Take a listen to the best in-car audio from FireKeepers Casino 400.

From Jimmie Johnson's and Jamie McMurray's brake issues to Ryan Blaney's first career Monster Energy Series win, hear all the action in this week's Scanner Sounds.

Relive the best in-car audio from the AAA 400 Drive for Autism at Dover International Speedway that saw Kyle Busch lose a wheel, and Jimmie Johnson capture his 83rd Monster Energy NASCAR Cup Series win.

Take a listen to the best in-car audio from NASCAR's longest race, the Coca-Cola 600 at Charlotte Motor Speedway.

Listen in on NASCAR's top drivers as they battle through the Monster Energy Open then go for $1 million in the Monster Energy NASCAR All-Star Race.

Hear Jimmie Johnson's frustration, drivers laud Danica Patrick's toughness, and more in the best in-car audio from the Go Bowling 400 at Kansas Speedway.

Relive the best in-car audio from the GEICO 500 at Talladega Superspeedway.

Relive the best in-car audio from the Toyota Owners 400 at Richmond International Raceway.

After the rain postponed the race to Monday, the radio chatter was anything but diluted at Bristol Motor Speedway in this week's Scanner Sounds.

Take a listen as we review the best of 'Scanner Sounds' thus far in the 2017 Monster Energy NASCAR Cup Series season.

Relive all the best in-car audio from the O'Reilly Auto Parts 500 from Texas Motor Speedway in this week's Scanner Sounds.

Take a listen to the best in-car audio from the STP 500 at Martinsville Speedway. From Brad's big win, to Kyle Busch's frustration, you can hear it all right here in Scanner Sounds.

Relive some of the best moments from the Monster Energy NASCAR Cup Series race at Auto Club Speedway.

Get an inside look at how the the scrap between Joey Logano and Kyle Busch unfolded from drivers' perspectives, plus radio transmissions and some reactions to the incident at Las Vegas Motor Speedway

Take a listen to all the action from the Folds of Honor QuikTrip 500 at Atlanta Motor Speedway, including a number of drivers speeding on pit road, and Brad Keselowski's first win of 2017.

Catch all the in-car audio from Atlanta as Matt Kenseth and the No. 20 team try to figure out their penalty, Dale Earnhardt Jr. and Kyle Busch debate who finished behind Jimmie Johnson who tied Dale Earnhardt with 76 NSCS victories.