Greeley's #1 Rated Muffler, Exhaust & Auto Service Shop Since 1967

Located right on W 10th St, Collins Muffler & Service is Greeley's premiere family-owned exhaust specialist, catalytic converter center, and complete brake & suspension shop.

Travel Distance0 miles (Home Shop)

Est. Drive Time1–5 mins

Best Route2601 W 10th St, Greeley, CO 80634

Collins Bay Location

★ 4.9 Map Rating

Collins Muffler & Service

2601 W 10th St, Greeley, CO 80634

Tue - Sat: 9:30 AM - 5:00 PM

Serving Key Greeley Corridors:

📍 UNC Campus📍 Greeley Mall📍 W 10th St Automobile Corridor

Interactive Custom Pipe Sizing Guide

Truck & Muscle Car Fitment & Exhaust Sizing Spec

Select your vehicle model to view stock vs upgraded custom exhaust pipe diameters, muffler options, and sound profiles for Greeley, CO drivers.

Custom Mandrel Bends Welded On-Site

1. Select Your Vehicle Model:

2015 - 2024

Ford F-150 — 5.0L V8 Coyote

Mandrel mandrel-bent tailpipes clear spare tire and rear axle perfectly.

Est. Weld Time:⚡ 1.5 - 2.0 Hours

Factory Stock Pipe SizingOEM Restrictive

2.5" Single Factory Aluminized

Factory tubing often features pinch bends and restrictive catalytic/muffler chambers that muffle exhaust flow and quieten the engine.

Collins Custom Pipe UpgradeRecommended

3.0" Single Cat-Back or Dual 2.5" with X-Pipe

Mandrel smooth-bend mandrel tubing maximizes velocity, relieves exhaust backpressure, and unleashes clean exhaust horsepower.

Recommended Welded Muffler Options

Flowmaster Super 44 (Deep Classic V8 Growl)
MagnaFlow Street Series (Smooth Performance)
Borla ProXS (Aggressive Crisp Tone)

Sound Profile & Level

🔊 Aggressive Deep V8 Roar

Deep rumble at idle with an aggressive high-RPM roar. Zero drone option available.

Greeley Shop Est. Range$280 - $520

Parts + Welding Labor

Have a specific muffler brand in mind or custom tip exit?

Services Available for Greeley Residents

Comprehensive Auto & Exhaust Solutions for Greeley, CO

Whether you drive a daily commuter, diesel work truck, or vintage muscle vehicle in Greeley, our master technicians deliver instant turnarounds.

$280 – $680+

Muffler & Exhaust Repair in Greeley

Fix deafening exhaust roars, rusted-out pipes, dangling hangers, and manifold leaks. Quality aluminized and stainless steel mufflers welded with lifetime joint guarantees.

Custom pipe bending & rust cutout
Quiet OEM replacement mufflers
High-flow performance mufflers

View Service Details →

$935 – $5,460+

Catalytic Converter Replacement in Greeley

Direct-fit catalytic converters for all vehicle makes and models. Fix check engine lights (P0420/P0421), replace stolen converters, and ensure Colorado emission compliance.

Direct-fit & universal converter options
Anti-theft protective shield installation
Diagnostic check engine code scanning

View Service Details →

$380 – $750

Custom Exhaust & Performance in Greeley

Custom exhaust fabrication for muscle cars, classic hot rods, lifted trucks, and daily drivers. Custom mandrel bending, quad stainless tips, and high-performance sound setups.