Product Summary

Universal Fit, Glass Pack Muffler Type, Steel, Painted

  • Features a large diameter 3.5" case
  • Both the inlet and outlet diameters are 2"
  • Backpressure is decreased to increase flow and help boost power
  • Has an overall length measuring 24.00" and a body length of 18"
  • The classic design includes thick, long-lasting, high heat Cerama-Glass packing

Rebates Available

See rebate details
See more details

Key Specs

MFG. Part #50250FLT
BrandFlowtech Exhaust
Muffler TypeGlass Pack
Inlet Diameter2"
Outlet Diameter2"
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Flowtech Exhaust 50250FLT Details

Red Hots from Flowtech may be the best muffler value on the market today. The classic design includes thick, long-lasting, high heat Cerama-Glass packing wrapped around a power louver baffle. Backpressure is decreased to increase flow, help boost power and they sound RED HOT! Red Hots are only available in a rich red finish, In your choice of 2"", 2.250"" and 2.5"" outlet diameters (shown below).

  • Delivers Rich,Powerful,Red Hot Sound
  • Low Backpressure to Increase Performance
  • Large Diameter 3.5"" Case

Rebates

Holley October Promo 10% Off Select Parts Sale

Holley October Promo 10% Off Select Parts SaleHolleyOctoberPromo10%OffSelectPartsSale

Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.

Flowtech Exhaust 50250FLT Specifications

KEY SPECS
MFG. Part #50250FLT
BrandFlowtech Exhaust
Muffler TypeGlass Pack
Inlet Diameter2"
Outlet Diameter2"
GENERAL
Overall Length24.00"
Body Length18.00"
Overall Height3.50"
Material TypeSteel
FinishPainted
Outside Diameter3.5"
Case ShapeRound
Inlet LocationCenter
Outlet LocationCenter
Outlet QuantityOne
Inlet QuantityOne
GTIN Code090127500255
Sold in QuantityEach

Ratings & Reviews

4.4

10 Reviews

Overall Assessment

Customers generally express satisfaction with the sound quality and fit of these mufflers. They have been lauded for their impressive performance in custom builds, with their solid construction and deep, distinct sound at all RPMs frequently mentioned, enhancing vehicles ranging from mud trucks to hot rods. Some customers mentioned loose fits, but most highlight the easy installation and flexibility to weld or clamp the product. Many view these mufflers as a quality buy with a reasonable price, distinguishing them favorably in the marketplace. However, some wish for tighter inlet and outlet sizes.

4.4

10 reviews

5

7

4

2

3

0

2

0

1

1

Most Liked Positive Review

5.0

Flow teck 50250 red hot glass packs

used these mufflers on my hot rod build, the pie fit all the descriptions as listed,this is a big deal on a custom build

Most Liked Negative Review

1.0

Not this procuct

This Inlet and outlet sizes have too much clearance for the sizes they advertise to fit.

Filter by Ratings

I would buy these again

4.0

a year ago

Pontiac

Ortonville MI

Verified

Came exactly as advertised and worked well

Would Recommend

Shouldn't have to buy this again but I would if needed.

5.0

4 years ago

Neilo

Burlington,NY

Verified

Loose fitting on 2" pipe. Could make them a tighter fit. Flow direction is on carton.

Would Recommend

Sounds great

4.0

4 years ago

JEFF

Canada

Verified

Put a pair of these on my built flathead and they sound amazing. Very happy with these.

Sweptline D100

5.0

7 years ago

Scottydog

Manhattan KS

Verified

Worked great sounds fantastic 67 Dodge 318

Would Recommend

Glass pack slip on muffler.

5.0

7 years ago

99vicbike

East Hartland ct

Verified

Easy to install and weld in or clamp your choice.

Would Recommend

sound great

5.0

7 years ago

devil doDgE

Elgin, OK

Verified

put them on the 75 dodge mud truck, sound great and great fit, cant beat the price either.

Would Recommend

Not this procuct

1.0

9 years ago

Norb

Carnegie, PA

Verified

This Inlet and outlet sizes have too much clearance for the sizes they advertise to fit.

Would Not Recommend

Great buy very good product

5.0

9 years ago

Teddy bear

Portland Oregon

Verified

Great product as is everything I have bought from speedway

Flow teck 50250 red hot glass packs

5.0

10 years ago

Kelly

Clear Lake Iowa

Verified

used these mufflers on my hot rod build, the pie fit all the descriptions as listed,this is a big deal on a custom build

Would Recommend

Mufflers

5.0

10 years ago

jengel

Pa.

Verified

Nice solid mufflers. Good deep sound at all rpm,s. Really makes my flathead sound good at idel.

Showing 10 of 10 reviews

Questions & Answers

3 Questions • 5 Answers

Will this muffler fit my 2 inch stock exhaust pipes. Will they slid on or do I have to go to the 2 and a half inch muffler.

by John

• 8 years ago

3 answers

what is the overall dim.?

by rick

• 10 years ago

1 answer

Dear Team Will this (Flowtech 50250FLT Red Hot Glass Pack Muffler, Slip-Fit, 2 Inch Inlet) fit into a vintage 1947 Indian Chief? My headers are 1.5" dia including thickness.

by Shuhaib Abdul Rehman

• 10 years ago

1 answer

3 of 3 questions shown

Customer Impersonation Script